{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896637,-0.442767,0.000000,0.000000,0.282684,-0.572456,0.769665,0.000000,-0.339846,0.688215,0.640987,0.000000,-2170574.041469,4395581.232517,4066528.839803,1],    "boundingVolume": {    "region": [2.029387,0.695727,2.029570,0.695839,0.000000,51.718050]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_488581.b3dm"}}}