organisation.json

{
    "@context": "http://schema.org",
    "@type": "Organization",
    "name": "Building Commons",
    "description": "Standard Cross project initiative to follow what's happening with all participating projects",
    "url": "http://youtu.be/R91kOkNgEqY",
    
    "members": [{
        "@type": "Person",
        "email": "oceatoon@gmail.com",
        "name": "Tibor Katelbach",
        "url": "https://github.com/pixelhumain/buildingCommons/blob/master/members/tibor.katelbach.json",
        "description": "",
        "image": "http://2.bp.blogspot.com/-Ig3DTfUzDiM/UgNtDih5iEI/AAAAAAAAG8s/e7PP1_SwS6Y/s1600/_SL01653-2.jpg"
    },]
}

based on this discussion 
https://github.com/hackers4peace/plp-docs/issues/12#issuecomment-77818837
{
  "@context": [
    "http://schema.org",
    { "superOrganization": { "@reverse": "subOrganization" } }
  ],
  "@graph": [
    {
      "@id": "https://enspiral.com/",
      "@type": "Organization",
      "name": "Enspiral",
      "member": [
        "https://www.loomio.org/u/g48DQjS5/mikey-the-human"
      ],
     "subOrganization": [
       "http://loomio.org"
     ]
    },
    {
      "@id": "https://www.loomio.org/u/g48DQjS5/mikey-the-human",
      "@type": "Person",
      "name": "Mikey",
      "memberOf": [
        "https://enspiral.com",
        "https://loomio.org"
      ]
    },
    {
      "@id": "https://loomio.org",
      "@type": "Organization",
      "name": "Loomio",
      "member": [
        "https://www.loomio.org/u/g48DQjS5/mikey-the-human"
      ],
      "superOrganization": [
        { "@id": "https://enspiral.com" }
      ]
    }
  ]
}