{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xd162a54f80374943a5149ab6b5055cca641c2994e9153d2015c1b42926f8967a",
    "signature": "0x6ff5599fb445c9fb5341048756aaf6a211e9ee339890ee42cb412ad0851bd04a5b2375aa022ec25a55177ed71d8b589edea54eb457530fa0920b54b8bb95d44c1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}