{
  "manageEntity": {
    "action": "Update",
    "entityId": "155944470",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Currently Showing\",\"is_private\":true,\"cover_art_cid\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x17b0abb3a4454d864432fc41fad302ad3f02e91f8054b02285af763a3e1d5a2b",
    "signature": "0xc6d8a1144c9d0ba8ad95d005ad04b08ff3a7d47a550dd35e71307fb57645595777e9e1df99ef3398e6ff3149b4262ce73be504cf5c6d19a4e98e4da6ed2b73f21b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}