Extrinsic 22225-1

{
  "heartbeat": {
    "blockNumber": 22224,
    "sessionIndex": 370,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xe8e241f6ff1c9f7da412d191cf8ea17820b8f64af045b26b1ceaa6a2cc724e7883c0bbdf65d72839ef05eabb71036bebaf7559c0eec9a40f1bdb916889b86b80"
}