{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949732,-0.313065,0.000000,0.000000,0.174967,-0.530790,0.829246,0.000000,-0.259061,0.785903,0.561466,0.000000,-1654075.432506,5017893.102825,3560892.911215,1],    "boundingVolume": {    "region": [1.889139,0.596072,1.889292,0.596240,0.000000,19.004798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1435050.b3dm"}}}