curl --request GET \
  --url https://api.walletsuite.io/api/chains/{chain}/fee-policy \
  --header 'x-api-key: <api-key>'

{
  "ok": true,
  "code": "<string>",
  "message": "<string>",
  "data": {
    "chain": "<string>",
    "policy": "<string>",
    "minPriorityFeeWei": "<string>",
    "recommendedPriorityFeeWei": "<string>",
    "fastPriorityFeeWei": "<string>"
  }
}