{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x66bf8427978f12b3601d5a26ef2cf401f58fef53ac843bc680deeff7bfe96041",
    "signature": "0xfa145a98ea51f77f903c5e1beda322eb61608a6e497e8594522cafa6b4add70473b7fe9931d5057f4e77136fad817c3c77015c569b3155c9dc884dc0c1b36ec81b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}