{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x381b917209d9910b071fa8e47532655525547224975d5f03c9b256f1a18cdfa2",
    "signature": "0x7e31b5a328ab119dfc60acc7b4660280e2878b1e6cc261ff7b1248f58ff2d32f2e97c360eb3050928a425f64d52c0413c1902973c4aeac3422eca06d5ed5d3b71c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}