{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x98c787b25ed687be381aac7ce92344e5deea5fc4baf3feb3657f2a1a7cc4e8aa",
    "signature": "0xd188306f3d800eb40b22df74cf4316da3b07953a875d9f480424c2074852c0ff5ce7492ec5e9af90777a2150b1384c976c852bca8e5c8d1fe999758c45a5f93e1b",
    "signer": "0xE5c3922424A1B896ad08ED5889f36Ca5DC40660a",
    "userId": "229327490"
  }
}