{
  "manageEntity": {
    "action": "Create",
    "entityId": "1910294606",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1910294606,\"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": "0xa5596497cd7a24d9a3ec00163f8b657f951fa539cbbfd39e6362aacb942eb5f3",
    "signature": "0x1226e7523f47a347a11179a369e4c407e491445e7b173e5ed807d5d89ab55fe828c252ea7feb3f32aa7c3f9e1183fd8df65cf3f94a321685168d03e0a41796741c",
    "signer": "0xC30AC2fB3d662DdB28d2d773D62C6dB967b17562",
    "userId": "791523330"
  }
}