Extrinsic 43045-1

{
  "heartbeat": {
    "blockNumber": 43044,
    "sessionIndex": 717,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x6a950c5008fc5e316ebcc8c9f1962cf82371a7d6d1c802bb353a8215db00805e4d8d702f55c278c8c486634a99731e3839c4a970bef1fa926d37fc9158f4a485"
}