Base64 tokenURI

[zapaz]

Support base64 encoded tokenURI

Exemple here :

https://app.kredeum.com/#/optimism/0xF0202AfaDC93F2f7762509D3DD1cACb30ea3B82d/1

https://optimistic.etherscan.io/token/0xF0202AfaDC93F2f7762509D3DD1cACb30ea3B82d#readContract

read tokenURI with tokenId 1

data:application/json;base64,eyJuYW1lIjogIkVJUC00ODQ0OiBUYWtpbmcgdGhlIHBpc3Mgb3V0IG9mIEV0aGVyZXVtIDEvNDg0NCIsICJkZXNjcmlwdGlvbiI6ICJodHRwczovL21pcnJvci54eXovMTAvMHhmMDIwMmFmYWRjOTNmMmY3NzYyNTA5ZDNkZDFjYWNiMzBlYTNiODJkIiwgImNvbnRlbnQiOiAiYXI6Ly9icFZjbVh2d2YySjZIaWREbFdIMlBhZ0k2c1VnQnlLRWRKc3NSbU0xOEM0IiwgImltYWdlIjogImlwZnM6Ly9iYWZ5YmVpY2J0MmczMjdnNWJndHRmbnc1b2RsYnF4N2E3b3dxNGMyNmNnYWg1eGlvNDI2eWRzcXIzNCIsICJhdHRyaWJ1dGVzIjpbeyAidHJhaXRfdHlwZSI6ICJTZXJpYWwiLCAidmFsdWUiOiAxfV0gfQ==