{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x03cddd52023c6be8fd92bc28bf3c5fd35e60eaa7f2173ed1215696923e6f68b5",
    "signature": "0x9eab2172a8bb98fbd5b066db9aaa8aac6f3f9fedc2ab32c4956ccadb0710d23404460393ee0bbde715c9b02371b17e466ce438ddf2eee7a05f94346b131b964f1c",
    "signer": "0x41FF0e9C13C17eAa53E74Cba28CD9D9101440565",
    "userId": "854095053"
  }
}