Extrinsic 10426-1

{
  "heartbeat": {
    "blockNumber": 10424,
    "sessionIndex": 173,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x28ae4105fdb7d1b280715e1d84e5f17f7039cad793178fb6961efee9bc0a840245662b9244bda3e6c626b589d1a8e9ac237bab7652774ee807ae3acecc85c088"
}