A [green]message[white] that has a [bold]fancy[/bold] hover!
    hover: ~~~Fancy hover~~~

A §amessage§f that has a §lfancy§r hover!

[
  {
    "text": "",
    "extra": [
      "A ",
      {
        "text": "message",
        "color": "green"
      },
      " that has a ",
      {
        "text": "fancy",
        "bold": true
      },
      " hover!"
    ],
    "hoverEvent": {
      "action": "show_text",
      "value": "~~~Fancy hover~~~"
    }
  }
]