{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91690",
    "entityType": "User",
    "nonce": "0x57637e07d06b2d5edb77a57b6d8138daf7a1165446d79ce25c7e428951243bd7",
    "signature": "0xa6a5f3a27b4571fdbb89d83ad1866713386359295ef0064e2092c51d1fb71edc7352d561efdb056be6c5db43ac419341d14816c56cc911e1286ae74b29379d071b",
    "signer": "0x16BE3cc7Ee03C75AD10a94fb7234B045D351825c",
    "userId": "66529124"
  }
}