{
    "nodes": [
       {
           "uuid": "{00000000-0000-0000-0000-000000000001}",
           "type": "worldPosition"
       },
       {
           "uuid": "{00000000-0000-0000-0000-000000000002}",
           "type": "texture"
       },
       {
           "uuid": "{00000000-0000-0000-0000-000000000003}",
           "type": "texCoord"
       },
       {
           "uuid": "{00000000-0000-0000-0000-000000000004}",
           "type": "lightIntensity"
       },
       {
           "uuid": "{00000000-0000-0000-0000-000000000005}",
           "type": "exposure"
       },
       {
           "uuid": "{00000000-0000-0000-0000-000000000006}",
           "type": "fragColor"
       },
       {
           "uuid": "{00000000-0000-0000-0000-000000000007}",
           "type": "sampleTexture"
       },
       {
           "uuid": "{00000000-0000-0000-0000-000000000008}",
           "type": "lightModel"
       },
       {
           "uuid": "{00000000-0000-0000-0000-000000000009}",
           "type": "exposureFunction"
       }
    ],
    "edges": [
       {
           "sourceUuid": "{00000000-0000-0000-0000-000000000002}",
           "sourcePort": "texture",
           "targetUuid": "{00000000-0000-0000-0000-000000000007}",
           "targetPort": "sampler"
       },
       {
           "sourceUuid": "{00000000-0000-0000-0000-000000000003}",
           "sourcePort": "texCoord",
           "targetUuid": "{00000000-0000-0000-0000-000000000007}",
           "targetPort": "coord"
       },
       {
           "sourceUuid": "{00000000-0000-0000-0000-000000000001}",
           "sourcePort": "worldPosition",
           "targetUuid": "{00000000-0000-0000-0000-000000000008}",
           "targetPort": "position"
       },
       {
           "sourceUuid": "{00000000-0000-0000-0000-000000000007}",
           "sourcePort": "color",
           "targetUuid": "{00000000-0000-0000-0000-000000000008}",
           "targetPort": "baseColor"
       },
       {
           "sourceUuid": "{00000000-0000-0000-0000-000000000004}",
           "sourcePort": "lightIntensity",
           "targetUuid": "{00000000-0000-0000-0000-000000000008}",
           "targetPort": "lightIntensity"
       },
       {
           "sourceUuid": "{00000000-0000-0000-0000-000000000008}",
           "sourcePort": "outputColor",
           "targetUuid": "{00000000-0000-0000-0000-000000000009}",
           "targetPort": "inputColor"
       },
       {
           "sourceUuid": "{00000000-0000-0000-0000-000000000005}",
           "sourcePort": "exposure",
           "targetUuid": "{00000000-0000-0000-0000-000000000009}",
           "targetPort": "exposure"
       },
       {
           "sourceUuid": "{00000000-0000-0000-0000-000000000009}",
           "sourcePort": "outputColor",
           "targetUuid": "{00000000-0000-0000-0000-000000000006}",
           "targetPort": "fragColor"
       }
   ]
}