{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949173,-0.314754,0.000000,0.000000,0.176029,-0.530834,0.828993,0.000000,-0.260379,0.785199,0.561841,0.000000,-1662488.055969,5013406.378650,3563278.052669,1],    "boundingVolume": {    "region": [1.890943,0.596599,1.891044,0.596621,0.000000,10.701835]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/9_1420172.b3dm"}}}