Extrinsic 14679-1

{
  "heartbeat": {
    "blockNumber": 14677,
    "sessionIndex": 244,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x9aa8b9ab7740ae48e8ed732650c42ed0a6ae1af44b3c953123f546e4dc4083305acf6d9cda0eab41d2034da6cecb826dc1d8d31d4d011aa1a7c42a5b155ded84"
}