{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "231243",
    "entityType": "User",
    "nonce": "0x42f49eda3661a4a568411c6a73367313ee3fe15a6165e75929e533707dfd4407",
    "signature": "0x156aeb37799908d03cb31ae8dfe895f18ceec914017700d8db6817b3f418e36508594c89c0a34893b32dc1645e8bc6aa403e882a6964846889656a5e244d15081b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}