Extrinsic 30698-1

{
  "heartbeat": {
    "blockNumber": 30697,
    "sessionIndex": 511,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xce1328976da7be04799afe110e9cea24011ca4e9ba71e3003de43748965c756dbcacb061e7c9293afd735304558ababd1f13475cc09e192315cc7c4c9995658e"
}