Extrinsic 41923-1

{
  "heartbeat": {
    "blockNumber": 41921,
    "sessionIndex": 698,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xd2060a7d640284a3ab02202ca8daf88c22499defda6fed9c0bfcc47debc65274168906b76f1d2ff34ca1f7685017430a856781a658067bddf8fda2da1b93108e"
}