{
  "manageEntity": {
    "action": "Create",
    "entityId": "1545646795",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1545646795,\"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": "0x411aa798cd1b0d6b2ce1307e364453b7bf43d5a5068ea382cfd69c6c99944f9c",
    "signature": "0x395ac93474bd5b578b181d9ae348beeac3ff23c70eca4535dc512223f0ff2c2d08e86281902c86d1c3e866e636702ced18e2ee0dc174180f1bdeaabef49f29d01b",
    "signer": "0x8B88e5d2b2c544e566c23f8447d80C8AAdb156eb",
    "userId": "299339626"
  }
}