Extrinsic 44614-1

{
  "heartbeat": {
    "blockNumber": 44612,
    "sessionIndex": 743,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x7a6a38839f799ce165808f409e9df256f312b6caa507067337abbd4be8589f08d7c59d03563b79568e8672bd3bf109a059125f418517dd9df282c0443e458981"
}