{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x8599c3e161cd82a76ac5a8ba753b4bfbe53b884a855035130b3b23612cae9a9b",
    "signature": "0x359f2a7bc1873970eee338519f54c8e70e34fc17225cc894b0fcfbfe724af26e4aa78a6f9f2129617a91c35035a013f234bc64803a1baf058edd6e1f24a92a3b1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}