{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x23999ed51879bae9bd1f10ac7bbb87e0906591c0e806ba558e08ce82736462cb",
    "signature": "0xd97b9d937908226bf24ab30f70763fb82e1032571bac34598450aaf168c217253315e8e210353f8d66f945dc09c357ee0cd4f0676b9dc1fc3889a9edda840e461b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}