Extrinsic 41623-2

{
  "heartbeat": {
    "blockNumber": 41621,
    "sessionIndex": 693,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xe0de6e1fcb04c0a6013f5f80f74af9a06162a5c5ca94802a4e23e132bcfead4495a60029d9d7591e894b972492855d506b9634c8bbb585cab478a333333f7a8d"
}