Extrinsic 48222-1

{
  "heartbeat": {
    "blockNumber": 48221,
    "sessionIndex": 803,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xfc0e7499b78abd456c6651707a1abf9d5339afe71fa1a16d34156f2e8e5b4351e23026237d2b950bc9e6073314e618a33215743490e94ce4003cd6336ea5418a"
}