curl --fail-with-body "$THORNODE_RPC_URL" \
  --header 'content-type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getTokenAccountsByOwner",
    "params": [
      "BghNaiR8KfW3Qt2hTaS6hqperaXvfumWhpP4EEMksXxX",
      {
        "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
      },
      {
        "encoding": "jsonParsed"
      }
    ]
  }'

const body = {
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getTokenAccountsByOwner",
  "params": [
    "BghNaiR8KfW3Qt2hTaS6hqperaXvfumWhpP4EEMksXxX",
    {
      "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
    },
    {
      "encoding": "jsonParsed"
    }
  ]
};

const response = await fetch(process.env.THORNODE_RPC_URL, {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify(body),
});
const { result, error } = await response.json();
console.log(result ?? error);

{
  "jsonrpc": "2.0",
  "result": {
    "context": {
      "slot": 439749210
    },
    "value": [
      {
        "pubkey": "BCVfzZWUYiFQGQ4rCh9ycUoXZcu8aTLW5aiqsjhj7YAf",
        "account": {
          "lamports": 2039280,
          "data": {
            "program": "spl-token",
            "parsed": {
              "info": {
                "isNative": false,
                "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
                "owner": "BghNaiR8KfW3Qt2hTaS6hqperaXvfumWhpP4EEMksXxX",
                "state": "initialized",
                "tokenAmount": {
                  "amount": "4192",
                  "decimals": 6,
                  "uiAmount": 0.004192,
                  "uiAmountString": "0.004192"
                }
              },
              "type": "account"
            },
            "space": 165
          },
          "owner": "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA",
          "executable": false,
          "rentEpoch": 18446744073709551615,
          "space": 165
        }
      }
    ]
  },
  "id": 1
}