Extrinsic 43535-1

{
  "heartbeat": {
    "blockNumber": 43533,
    "sessionIndex": 725,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xa0588a141b858f952aaf1305f95b5bf69701b5963126edacfa5b43b1b341252a07af53c5ea4990485bf8b61132d4692c89c68d663b26cd5504fc40dc2404cd80"
}