Extrinsic 52894-1

{
  "heartbeat": {
    "blockNumber": 52893,
    "sessionIndex": 881,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xdaebde2db61254d2d534da09994e40b7e415b6fe9c48124bd3e5edaf08255706b008dbd34f81352c5305cbf28c9eec4fd09d91c463daa6cd5dcf7884c72b3b8a"
}