curl -X GET 'https://crypto-api.yativo.com/api/swap/assets' \
  -H 'Authorization: Bearer YOUR_ACCESS_TOKEN'

{
  "success": true,
  "data": [
    {
      "id": "ast_6615c3c3e55d9ff7bc0a9012",
      "name": "USD Coin (Solana)",
      "symbol": "USDC",
      "ticker_name": "USDC_SOL",
      "address": "7xKt3Bm4NZpQhsWn1YvJd2Lr8Pk5Cq9eAw6Fu0GiRHs",
      "chain": "SOL",
      "balance": "0.300000",
      "type": "user",
      "decimals": 6,
      "contract_address": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
    }
  ],
  "message": "User assets retrieved successfully"
}