{"type":"rich","version":"1.0","title":" wrote","author_name":"npub1xp5rykemnf68cwa6ryueft0z3yprlph5v4wg39jyql86sq3mjy8sfmrall","author_url":"https://yabu.me/npub1xp5rykemnf68cwa6ryueft0z3yprlph5v4wg39jyql86sq3mjy8sfmrall","provider_name":"njump","provider_url":"https://yabu.me","html":"137.5 degrees, the golden angle is optimal"}