{
  "manageEntity": {
    "action": "Create",
    "entityId": "1275271678",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1275271678,\"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": "0x2ff8f77b3999e9e32b312b2fa743038313c07a2b328a5e76222661037039050b",
    "signature": "0xfdf7ac5bf53141a3b474feca3118ba24efa39153c5699c3781aecb414178652c72c887d758d1ba564c7b829c22046e91127866b3f48c6b24aa64f5e8da2fe21c1b",
    "signer": "0x4c4e4BD78139bf2468BE325BEBef2683F240Afe5",
    "userId": "707163815"
  }
}