{
  "manageEntity": {
    "action": "Create",
    "entityId": "800465991",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":800465991,\"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": "0xc66e2eead0bd0f7b8d83e31289d709c47a9b2742fe02a2b25fedcecf860910fb",
    "signature": "0x44670232233ff2a498485e6ae22ce90c452983c086dadf52b4e15886fc8a3a3a57dbaeafc715c8ef73d24613c471e1fdec1168f0377355f493502a5d6817bd051c",
    "signer": "0x2a504b213c236DF8aBF36c36EEe6256f57547e02",
    "userId": "916251497"
  }
}