curl --request GET \
  --url https://rollytics-api-evm-1.anvil.asia-southeast.initia.xyz/indexer/nft/v1/collections/{collection_addr}

{
  "collection": {
    "object_addr": "<string>",
    "collection": {
      "creator": "<string>",
      "name": "<string>",
      "origin_name": "<string>",
      "nfts": {
        "handle": "<string>",
        "length": 123
      }
    },
    "height": 123,
    "timestamp": "<string>"
  }
}