{
  "manageEntity": {
    "action": "Create",
    "entityId": "1886928534",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1886928534,\"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": "0x662729da16f300bed4c2d0935c239e881754d3d588bf1424da8460f16eb9c041",
    "signature": "0xea16560c6f7c1e5faf8410087fa041685ac1dc027e3257ba224aed730322501769645082a3f0311111412ea3b0d7370cd27c893451c2f9ddea00b96a225ea36d1c",
    "signer": "0x6bDBb48Fb9661e78e86E741F354fc9bd98Ed480d",
    "userId": "572993629"
  }
}