{
  "manageEntity": {
    "action": "Create",
    "entityId": "393048772",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":393048772,\"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": "0x299d0131dcaa82fc2c72107d724d8161699922a56c13010ebc51e86b543fad20",
    "signature": "0x0819f672a59f371f6db6d331ac1aec62911eb903d4ae6d6b1b4006e9ef441a7d0e04cbb87b798066280e193abbd0fa1511f590ddcd0ba8a49539c6ee0cdf68db1c",
    "signer": "0x3DdfB99173Ed7ff3A083C9C589582B230d37906E",
    "userId": "192527938"
  }
}