Extrinsic 5498-1

{
  "heartbeat": {
    "blockNumber": 5496,
    "sessionIndex": 91,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x62a2e8c8c79680cd8129037c77bb2fa8327842bb29251a2b9f6c160f45b45b732787e9e8ae9edca394658ec5a05a6ec3ac7113c7c76cfdd129e373ea89fc4785"
}