{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb0a3115c8c8c8685e16b046c21c574dd699c401f1506df9a33a32e774b20c224",
    "signature": "0x1491d3fb22fad1af083f6022335ef14f5e3f7b8b20a028e1eb241d114fcf0cc050f056645b73f2f93e5b5b5f7b8382f3ea9f7d1d44e6bb5f784df944f9f504791c",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}