curl --request POST \
  --url https://api.example.com/next_light_client_block \
  --header 'Content-Type: application/json' \
  --data '
{
  "params": {
    "last_block_hash": "<string>"
  },
  "id": "dontcare",
  "jsonrpc": "2.0"
}
'

{
  "result": {
    "approvals_after_next": [
      "<string>"
    ],
    "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>",
    "next_block_inner_hash": "<string>",
    "next_bps": [
      {
        "account_id": "<string>",
        "public_key": "<string>",
        "stake": "<string>"
      }
    ],
    "prev_block_hash": "<string>"
  },
  "id": "<string>",
  "jsonrpc": "<string>"
}