curl --request POST \
  --url https://api.example.com/EXPERIMENTAL_tx_status \
  --header 'Content-Type: application/json' \
  --data '
{
  "method": "EXPERIMENTAL_tx_status",
  "params": {
    "signed_tx_base64": "aSDinaTvuI8gbWludGxpZnk=",
    "wait_until": "EXECUTED_OPTIMISTIC"
  },
  "id": "dontcare",
  "jsonrpc": "2.0"
}
'

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    method: 'EXPERIMENTAL_tx_status',
    params: {
      signed_tx_base64: 'aSDinaTvuI8gbWludGxpZnk=',
      wait_until: 'EXECUTED_OPTIMISTIC'
    },
    id: 'dontcare',
    jsonrpc: '2.0'
  })
};

fetch('https://api.example.com/EXPERIMENTAL_tx_status', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.example.com/EXPERIMENTAL_tx_status"

payload = {
    "method": "EXPERIMENTAL_tx_status",
    "params": {
        "signed_tx_base64": "aSDinaTvuI8gbWludGxpZnk=",
        "wait_until": "EXECUTED_OPTIMISTIC"
    },
    "id": "dontcare",
    "jsonrpc": "2.0"
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "result": {
    "receipts": [
      {
        "predecessor_id": "<string>",
        "receipt": {
          "Action": {
            "actions": [
              "CreateAccount"
            ],
            "gas_price": "<string>",
            "input_data_ids": [
              "<string>"
            ],
            "output_data_receivers": [
              {
                "data_id": "<string>",
                "receiver_id": "<string>"
              }
            ],
            "signer_id": "<string>",
            "signer_public_key": "<string>",
            "is_promise_yield": false,
            "refund_to": "<string>"
          }
        },
        "receipt_id": "<string>",
        "receiver_id": "<string>",
        "priority": 0
      }
    ],
    "receipts_outcome": [
      {
        "block_hash": "<string>",
        "id": "<string>",
        "outcome": {
          "executor_id": "<string>",
          "gas_burnt": 1,
          "logs": [
            "<string>"
          ],
          "receipt_ids": [
            "<string>"
          ],
          "status": "Unknown",
          "tokens_burnt": "<string>",
          "metadata": {
            "version": 1
          }
        },
        "proof": [
          {
            "direction": "Left",
            "hash": "<string>"
          }
        ]
      }
    ],
    "status": "NotStarted",
    "transaction": {
      "actions": [
        "CreateAccount"
      ],
      "hash": "<string>",
      "nonce": 1,
      "public_key": "<string>",
      "receiver_id": "<string>",
      "signature": "<string>",
      "signer_id": "<string>",
      "nonce_index": 32767,
      "nonce_mode": "monotonic",
      "priority_fee": 0
    },
    "transaction_outcome": {
      "block_hash": "<string>",
      "id": "<string>",
      "outcome": {
        "executor_id": "<string>",
        "gas_burnt": 1,
        "logs": [
          "<string>"
        ],
        "receipt_ids": [
          "<string>"
        ],
        "status": "Unknown",
        "tokens_burnt": "<string>",
        "metadata": {
          "version": 1
        }
      },
      "proof": [
        {
          "direction": "Left",
          "hash": "<string>"
        }
      ]
    },
    "final_execution_status": "EXECUTED_OPTIMISTIC"
  },
  "id": "<string>",
  "jsonrpc": "<string>"
}