Extrinsic 46904-1

{
  "heartbeat": {
    "blockNumber": 46902,
    "sessionIndex": 781,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xd0f1ebb0549896d9f138f73d4018119d1088759f219ca436cdbebb0b7933ed25faa60734a5aa40d11fc11617547329ccda9f58ff6117cf8004e0354a87bc7780"
}