{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "695067567",
    "entityType": "User",
    "nonce": "0x6414059199a41b7ce2e771b7b474af97bfa5cf17f2d68b81a10a4cd1018742db",
    "signature": "0x570f2c56c74ea455350afd9be540e686f91d83e74f6d927a2dd7531c1ee0a5dd347e4b888bd94b058c081552fc2dc8e0f823a833cbb5cf1d9a4ff7b84d95c1aa1c",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}