{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0x551dc77bb8b1b17545a8aeaa83a086f96c54cbae7244a94dfed9a44581087b11",
    "signature": "0x2400cc2b59aa52a62168e6dc8539d0a8bcfe78ace6221824e46699a9976cdcd70dac49b60f8b5d32d6ebc640099275f1da4eec1529b807bbd243701b0253698d1b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}