{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857793,-0.513995,0.000000,0.000000,0.263111,-0.439099,0.859049,0.000000,-0.440767,0.735584,0.514433,0.000000,-2813764.303946,4695816.547011,3262047.564414,1],    "boundingVolume": {    "region": [2.110550,0.540283,2.110714,0.540408,0.000000,37.453941]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/7_388371.b3dm"}}}