mtias

var el = wp.element.createElement;

wp.blocks.registerBlockType( 'mytheme/block', {
	title: 'Red Block',
	icon: 'universal-access-alt',
	category: 'layout',
	edit: function() {
		return el( 'div', { style: { backgroundColor: '#900', color: '#fff', padding: '20px' } }, 'I am a red block.' );
	},
	save: function() {

mtias

{
	"name": "core/paragraph",
	"attributes": {
		"className": "my-text",
		"content": {
			"formats": (23) [empty × 6, Array(1), Array(1), Array(1), Array(1), Array(1), Array(1), empty, Array(1), Array(1), Array(1), Array(1), Array(1), Array(1), Array(1), Array(1), Array(1), empty]
			"replacements": (23) [empty × 23]
			"text": "Hello World! Read more."
		},
		"dropCap": false