{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x44c06928a29c1011a9464c4768e67796e3780c0036449c4ec19f72927dd9d714",
    "signature": "0x99811bfa83f854bd7a022af117c3ef9f805a5671f2efceda0de8ccaac1d6a977318f35fd4dfbe68313b20377ee8544c22acd424149e6443456f703c67e67122b1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}