Extrinsic 99689-1

{
  "heartbeat": {
    "blockNumber": 99687,
    "sessionIndex": 1661,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xe4a39f665df9cfa77bf708d392acf5ef54ed79ccc27bff3e3f586ecefd22062721e9029e11f64e7d64658d6bd81d601925cb6e04d93384b77a814f29bd7cec89"
}