Extrinsic 62137-1

{
  "heartbeat": {
    "blockNumber": 62136,
    "sessionIndex": 1035,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x8491734f0e4b2de076bf89b38aaa0cf406c81bee192d1742d14b9443a3660074944488066113f29660b8dd25a7237b288263f74e209f1949821b90150555bc89"
}