Extrinsic 99729-1

{
  "heartbeat": {
    "blockNumber": 99728,
    "sessionIndex": 1662,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xd8390f61ffb36397c7a3db5ac3b20018bfe610193b810b037ba8f4bd722cab081d2e1edfbd08929d31e562b91989585d2e4b2e7445e45edfccc3165332f1f68b"
}