Extrinsic 49875-1

{
  "heartbeat": {
    "blockNumber": 49874,
    "sessionIndex": 831,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x1eee1c0c1d44d75aec4a35334aa047a047f1a5634ce7ba329dd2eb4faa614f26297c3ab245656fac46d706321b69f8fba5d454d42363900680544662749de28b"
}