{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67755",
    "entityType": "User",
    "nonce": "0x04c26fd59639c533eab0c783623c220a4ed265e89ffaf004e50a200ba2aec199",
    "signature": "0xd6e805e8f73116347ca52d8c967b432c9bf8d1f731efb8378cd9992a2919c3b44e38bafc9a21396731a45f438437c1bf115605aafa8d75950956266b154e89261c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}