Extrinsic 53383-1

{
  "heartbeat": {
    "blockNumber": 53382,
    "sessionIndex": 889,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xd0cfa9721ae7911cc5d9cce1ccf6a95e2ecd4272bc76a7b88adb27e726973c5539345d64f08693f2fbf2417dc4a6eae2ee8ef16a29fd5beaba0eef67e7157386"
}