Extrinsic 9699-1

{
  "heartbeat": {
    "blockNumber": 9697,
    "sessionIndex": 161,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xf6ffebb1ad387fb99675c70a001a7a889f7b84cc6893d28eb132a535055ca3669cfbbccc5a2c02dcea32911d098cce1d795692b42e9dc18a64d38b6778f8328b"
}