Extrinsic 47317-1

{
  "heartbeat": {
    "blockNumber": 47315,
    "sessionIndex": 788,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xd69515a57f384f5339c1d2ddd41d72c1c198e01626a22e50f75f3f2c1a806c3370b8c0217634bb96368f9a5b7e5165b9422d232fe11aca8a934d699f6e1c528f"
}