Extrinsic 53803-1

{
  "heartbeat": {
    "blockNumber": 53802,
    "sessionIndex": 896,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xe4ed371565b9ea9317cd15e662442412620c339cb619ec95b262ff7c59bc0d265a30d6791fd1073d50da12858fd47bd918e68106e1e5db41e27f3cd3766fbc86"
}