Extrinsic 4962-1

{
  "heartbeat": {
    "blockNumber": 4960,
    "sessionIndex": 82,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x4a99bd3a9579474c7379ac764959201e2f2551dad66050fa86d14cf11287b521bf7b1517c9fa0626f37a94a4c201b345992d24e69eb1efc635afc0a7b6500481"
}