{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892474,-0.451098,0.000000,0.000000,0.290994,-0.575716,0.764117,0.000000,-0.343726,0.680044,0.647606,0.000000,-2195413.985652,4343512.841737,4108639.231593,1],    "boundingVolume": {    "region": [2.038740,0.704404,2.038844,0.704473,0.000000,26.435938]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1978278.b3dm"}}}