Extrinsic 175483-2

{
  "heartbeat": {
    "blockNumber": 175481,
    "sessionIndex": 2924,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x6425c567612274d89f215a7e95f616ee020f7693bb0c9f6517d647c91c2361090e2bca7dbf281fadbc5739326e87ba4c6fe6e480f75c6b6544d14ffc7308f880"
}