curl --request GET \
  --url https://api-v2.boost.xyz/known-signatures

{
  "signatures": [
    {
      "id": "0x00000000000000000000000000000000000000000000000000000000a836f32f",
      "textSignature": "mint(address mintTo,uint256 quantity,address collection,uint256 tokenId,address mintReferral,string comment)",
      "signatureType": "function",
      "abiItem": {
        "name": "mint",
        "type": "function",
        "inputs": [
          {
            "name": "mintTo",
            "type": "address"
          },
          {
            "name": "quantity",
            "type": "uint256"
          },
          {
            "name": "collection",
            "type": "address"
          },
          {
            "name": "tokenId",
            "type": "uint256"
          },
          {
            "name": "mintReferral",
            "type": "address"
          },
          {
            "name": "comment",
            "type": "string"
          }
        ],
        "outputs": [],
        "stateMutability": "nonpayable"
      }
    }
  ],
  "count": 123
}