{
  "manageEntity": {
    "action": "Create",
    "entityId": "1149351222",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1149351222,\"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": "0x4ce66a72ada52a77bd206f7fdf8ab124d34ef81cf9196c2d12ddf65ed3e2a891",
    "signature": "0x04d84b9ef843565787294d61bade567551a87e1d2bdbdea550c8dc38a18e11650257132cf16f0028382b53a184428f80c13c388049ee9012324a27d39c01ef781c",
    "signer": "0x60C5488063d0F71A94513aB00582c8dBd2a37977",
    "userId": "338066643"
  }
}