curl --request GET \
  --url http://localhost:4000/v1/transactions/broadcast/{transactionId} \
  --header 'Authorization: <api-key>'

{
  "success": true,
  "message": "<string>",
  "statusCode": 123,
  "timestamp": "<string>",
  "data": {
    "transactionId": "tx-123e4567-e89b-12d3-a456-426614174000",
    "status": "confirmed",
    "transactionHash": "0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef",
    "blockNumber": "12345678",
    "confirmations": 12
  },
  "path": "<string>"
}