Extrinsic 48742-1

{
  "heartbeat": {
    "blockNumber": 48741,
    "sessionIndex": 812,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x222b4265d4d23b8a13071b6d26d29c118b702b940ea181b4d64f30bb6d117435dbca9c3a22b7bc5ee0fc32c1c136105e09c29489ef74bfb023c8afa684c9ff89"
}