{
  "manageEntity": {
    "action": "Update",
    "entityId": "614212580",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierarsjd5jdllpvufsvfdd3dfa3r3tj3qpeki5r64lkrssa6g4e52xca\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":30281002},{\"type\":\"playlist\",\"playlist_id\":406057964},{\"type\":\"playlist\",\"playlist_id\":31755126}]}}}",
    "nonce": "0x800bbd231a26fbca27fcbaf2c4b6875c5325deb9ea70ff8e5224f970c1632f6f",
    "signature": "0x50eca8662156e18e8787445ae72f5ab2d7c7ce743fd6af9ec1be17114fbba9ae5e19307e2f4567110fdadf237ef46688a94ad2f60e010da72b254a839c41247e1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}