Extrinsic 44611-1

{
  "heartbeat": {
    "blockNumber": 44609,
    "sessionIndex": 743,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x1a54618110f8dcd054de6516d1b513a0bc6da63ecf1924a8f05d43a5a7434d7e5bbcf11da1a73835cdcc563bbd0124a6a75d6811dc60119902fe23620f07be89"
}