Extrinsic 60528-1

{
  "heartbeat": {
    "blockNumber": 60527,
    "sessionIndex": 1008,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x6069b940b280c54dbf49cb5758d19396ad818d1a1e33fac82d98e2933757212f4b254e0f53f20e424a3522dc6674e83552894788857d523925f0feec166ffd8d"
}