Extrinsic 144403-1

{
  "heartbeat": {
    "blockNumber": 144401,
    "sessionIndex": 2406,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x96748350f3056b0ef762b6adf2fbde2bd203786fff17469d92b7e2ddc805e94e1f9b6cdf4d6545fbabd0ca698d33fe987347047aff168090c84466b6748f4c82"
}