--- ADDRESS ---
localhost:4770

--- ENDPOINT ---
helloworld.Greeter/SayHello

--- REQUEST ---
{
    // This is a single line comment
    name: 'world', /* This is a block comment */
    trailing_comma: "yes",
    unquoted_key: 123,
    hex_number: 0x10,
    float_number: 1.5,
    "quoted_key": "value",
}

--- RESPONSE ---
{
    message: "Hello world",
}
