{
  "manageEntity": {
    "action": "Create",
    "entityId": "1591911204",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1591911204,\"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": "0xc5a235965ee353b8d23a07a2ccd45ad4f0d0d465a9a3b7014c611a9552b3737a",
    "signature": "0xc999389a41ce9154c64a7510030a0402ff89025faba48ea11cc147fbab3277f06315f8ad96a0b8bc51f781b08c8447fbcab5508093b42df2b9c57914e8e9c3ee1b",
    "signer": "0x6F819108589ecE3670C60db82Eea0c66C3038B8E",
    "userId": "532924430"
  }
}