{
  "manageEntity": {
    "action": "Create",
    "entityId": "57781054",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":57781054,\"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": "0x96c0445d4dd32f37fe668c14abe1930109e76a7650f4a2d9423068cc9b953fdd",
    "signature": "0x3bb85f9a4e2b25da1f253a8e10042527cb4fbc33295e18c923b5a0455bc208d532af689fef81cb007e910654de24384adbd5e8a64d9f2e7219a40ac78e4f6faa1c",
    "signer": "0x54c11E98317FC90475e191c33b86bda098B57A59",
    "userId": "182045363"
  }
}