Extrinsic 22330-1

{
  "heartbeat": {
    "blockNumber": 22328,
    "sessionIndex": 372,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x0c77d892dcfd31d92f7978f858bbbbd41316a1076ca3e96c6fad9d633cf0c7487a7cfad01d6ed7ebe1cd3b1f42932bacd4017606f9f5b568da0dc6e7b46c7a89"
}