Extrinsic 34571-1

{
  "heartbeat": {
    "blockNumber": 34570,
    "sessionIndex": 576,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x32de6ef886d396a1697bb25badae97a8a5b53e97b93be78507fffa0ca35e253512b2a54dbac2d2a738eae39f0bd08b452f45a84692f1b159e22ef51f80bb5a81"
}