Extrinsic 48808-1

{
  "heartbeat": {
    "blockNumber": 48807,
    "sessionIndex": 813,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x1674b216cbdb15ae0fb45f34fa06ceacb81d19e8d2e4c194912161fd6e4b234d977a8a36499889c954becbd5d10a3f8ec6eaef9024f1774cc25d07e02c411e8b"
}