Extrinsic 47741-1

{
  "heartbeat": {
    "blockNumber": 47739,
    "sessionIndex": 795,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x00372e6ea2a48c8239d000243e85eb71b93cfbffa0d55ba3cd1e7bdb5c28c04b4532d375f38282d5dcbb62635cf038325cd62b96d01ac5097c819b0c77836b82"
}