{
  "manageEntity": {
    "action": "Create",
    "entityId": "138683162",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":138683162,\"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": "0xb60e56e3821335ffe8b904ea3ac442f12cd709dff79116d39266af97523aa9d7",
    "signature": "0x25979bf9b08e4b7cc1d11f8d9f76768895d0c7d5c48a845319df23d0f4ac6d365713c1c8a88e827e6b393e777fc07e167b8999abf16eb23e1f6fb2164d86f1171b",
    "signer": "0xC2f75Abe54443BaC80f6e53a97BeB0E4d3a71fF2",
    "userId": "639689916"
  }
}