curl --request POST \
  --url https://rpc.mainnet.near.org/EXPERIMENTAL_light_client_block_proof \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": "<string>",
  "jsonrpc": "<string>",
  "method": "EXPERIMENTAL_light_client_block_proof",
  "params": {
    "block_hash": "<string>",
    "light_client_head": "<string>"
  }
}
'

{
  "result": {
    "block_header_lite": {
      "inner_lite": {
        "block_merkle_root": "<string>",
        "epoch_id": "<string>",
        "height": 1,
        "next_bp_hash": "<string>",
        "next_epoch_id": "<string>",
        "outcome_root": "<string>",
        "prev_state_root": "<string>",
        "timestamp": 1,
        "timestamp_nanosec": "<string>"
      },
      "inner_rest_hash": "<string>",
      "prev_block_hash": "<string>"
    },
    "block_proof": [
      {
        "direction": "Left",
        "hash": "<string>"
      }
    ]
  },
  "id": "<string>",
  "jsonrpc": "<string>"
}