{
  "manageEntity": {
    "action": "Create",
    "entityId": "64309636",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":64309636,\"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": "0x7b58cd73f02b47512960068adfc32ecc0640ecabecea3db63556092819efd317",
    "signature": "0xf4435b5049981c9295a6586d132c45c4089484e8863d0ae5668457ab3ad3bd371e224e49529a8f6aef5d1c096571cda298b12883582b95d973a77de490acf7131b",
    "signer": "0x3B446829846E4Dff44d7a596d5B5E2e7F6f2A2F9",
    "userId": "784506004"
  }
}