Extrinsic 35074-1

{
  "heartbeat": {
    "blockNumber": 35073,
    "sessionIndex": 584,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x60a4c183a76c4e12b8a83c3f69f973fb1919b50b7132282712f1a65334736d1776000af75c668fab421b827668dbda8f5e12c7546aff0cb9977daa81f1ed8c88"
}