{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xda594d749f1c99b49bf770d3717e3debb915da9e8bbeb41be9a9835a68882d50",
    "signature": "0xb2a08cd7aa0c603686008a8052a2abf48767a604c682e65b59e5f5f4365ce466603121a8a90af2317b1cfe3133724f42029124f56853e86bd39c0e8aa3af7fdb1c",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}