{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66093",
    "entityType": "User",
    "nonce": "0x803ff0f9057dc9dc1204424be18dbf9bda43ace06d8cac34886da68d9a915c97",
    "signature": "0x83789d129a6d831910f6202f1dd2c2eea3d020e68c313343eb0d280972aee9f22fe18682b1ab91a55b53753bd45771bb668ffbc318861aef8c4886ac99e12e7a1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}