{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326961",
    "entityType": "User",
    "nonce": "0x93acd1a01cb87af3d0dcd166de77e87c8835b2a4f0eb4e0161b27ae5d0037d80",
    "signature": "0x9034d27b86013a7c995aa57fbd34c1ae5218f4074c797a7ea00cec87ba06234e1f8c7aba065bf416841466af697c051e5fd56f71dd5cdcbfa81cb94c40c696e91b",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}