{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52403052",
    "entityType": "User",
    "nonce": "0xaf6a561ce1c8edc5586af6a8180aaa136dc1d30c9d238b07439ef6be8af06830",
    "signature": "0xb12f75d9dbcd3d885f12f4f9f4c9270309947458bb8803ed38bb8463f4ab886531ba64e8f079006f74b5d569e075f16afa8884869c705af04965b08bd23e45231b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}