Extrinsic 119957-1

{
  "heartbeat": {
    "blockNumber": 119955,
    "sessionIndex": 1999,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xe2437b506515d4a4d5356542dde73a9796bacb6c62adc1e50431a7c78b3b8b63d1329f157fc9f401e6994cc582cb4e245a1d194bbe912f5b4398448c8508c484"
}