代币 - 元数据（批量）

curl --request GET \
  --url https://api.dex.chainstream.io/v2/token/{chain}/metadata/multi \
  --header 'Authorization: Bearer <token>'

{
  "6p6xgHyF7AeE6TZkSmFsko444wqoP15icUSqi2jfGiPN": {
    "address": "6p6xgHyF7AeE6TZkSmFsko444wqoP15icUSqi2jfGiPN",
    "chain": "sol",
    "decimals": "9",
    "imageUrl": "https://example.com/sol.png",
    "name": "Solana",
    "symbol": "SOL"
  }
}