Extrinsic 61605-1

{
  "heartbeat": {
    "blockNumber": 61604,
    "sessionIndex": 1026,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x60583c231bdd55f3e31598e5b8078d4c60063368f45c6e7aab05711975cf935ef1ee64d97d3fc07ebd2c12adcb763cace6410b881b98581892c1fe55e7f1758f"
}