{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896724,-0.442589,0.000000,0.000000,0.287489,-0.582479,0.760308,0.000000,-0.335548,0.679850,0.652083,0.000000,-2143224.239139,4342360.077320,4137122.028150,1],    "boundingVolume": {    "region": [2.029191,0.710276,2.029370,0.710381,0.000000,6.560954]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/15_1782170.b3dm"}}}