{
  "manageEntity": {
    "action": "Create",
    "entityId": "1319861065",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1319861065,\"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": "0x380b164daa9bf97fe2d8d5d47c001051bf6c9c764bc6cea3a7490e97530e7418",
    "signature": "0x29bfcf324c12703cc694b4d0eb68332cc7a643af8995a455de3cb30ebe0e20a4518ed3247f65c3f4392877e69e245dd441f7abe0714b0340de8ea5e3c065fa331b",
    "signer": "0x8D9fF7c77B40B31De4f985c6a8fE761A42f8C413",
    "userId": "940795349"
  }
}