Extrinsic 41868-1

{
  "heartbeat": {
    "blockNumber": 41867,
    "sessionIndex": 697,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x90f7d9c5a093cc458bdcd049dba57bf7ff6fb9a297fc988abd1a0caa46ea474b5d19cf015b004a23ec21b17bd73e4fca2f99082c604c9be0586378bf34c3f389"
}