{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x9238dff77542b068ee8efccd4bde53e2808b9f295a8451b52ca41a2620f36847",
    "signature": "0x56644985481438f3ea5245c4b624243b8e96bff9afe57fd3eee0ce07e1c04d805790d918ef4240bed57bc9602c6e7a8dba20a541fd3f793026c24b205c4f03891c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}