{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x4f3ea1b41be92eaaf64023cb6254cce4dc4e24a487daf836e45a32fb6d2b4055",
    "signature": "0x90568f9029b85e0c859b37a472065d31a0763eb2539e843babc8c50357b45fe26de0676c36701d3f4e3d6dfa15e276fec864aea838a185fa6111d78bafb4de421c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}