{
  "manageEntity": {
    "action": "Create",
    "entityId": "1717182722",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1717182722,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x07407340280cb488fa8384fd2bb6a1f483e9ed83c8172e4c041ffbdf6ebe4ba0",
    "signature": "0xb3bf9b35bc70ae8d55c95cc2be98659b7d0ae3eace2cc46c4e0367c86a9f57fe67df6ea32767bfac491e567fafeb2bd0916271fa1b076df24dba7890646f69dd1b",
    "signer": "0xB4a54F9B2a7959bD50C623E17c29991fa049790a",
    "userId": "545537105"
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}