{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42617",
    "entityType": "User",
    "nonce": "0xbfb78329564c2536f5fb68d6aa24094ebcb9e2ac00ae6516b441ca6249f93253",
    "signature": "0x78c3ce88809e3b858cbbd7b6937c9995ebc46654e20454650c0a3744c89f17a51c5ebec63109be264095d523536a806cc4860117d28a05cc543b696c84ca3e6e1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}