curl --location --request POST 'https://polkadot.api.subscan.io/api/scan/assets/all' \
--header 'x-api-key: 4d0c8ba32dde4a06bda83d52af49120f'{
"code": 0,
"data": {
"list": [
{
"asset_id": "string",
"decimals": 0,
"symbol": "string"
}
]
},
"message": "string"
}