Extrinsic 99691-1

{
  "heartbeat": {
    "blockNumber": 99689,
    "sessionIndex": 1661,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xa858c9e0a2bf5f6cc6a2d53bc4035cd2c41925f6659488575f180dcb1bcb574de200972e3bed0b811502bd7e39e124bd8b399637d41e34904ca5abfa78e35081"
}