Extrinsic 27742-1

{
  "heartbeat": {
    "blockNumber": 27741,
    "sessionIndex": 462,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x9e6c4f998f9b40e545dacc5fe34fb52602d56f1f30afd6f1ebfe7e7e8d8d7679085ef3d62c68b8c2f23e29071306f062658b006224bda10b041d91a5a31fbc84"
}