{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354535",
    "entityType": "User",
    "nonce": "0x04fbf2fee27926b8ecee0ee69def6b29c3cde5f955091b27b894cc5decc3f6b5",
    "signature": "0xc8284c64bb79a611a66287c10565a562f5929152f0476a0d5ee1922cad5934906f30f1516e21ff30ec821121da26aaf9ba25b177daecde7613c0968d2e89b4881c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}