{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950191,-0.311669,0.000000,0.000000,0.174340,-0.531513,0.828915,0.000000,-0.257803,0.785966,0.561957,0.000000,-1646040.946509,5018305.330956,3564012.634227,1],    "boundingVolume": {    "region": [1.887670,0.596657,1.887822,0.596842,0.000000,7.908129]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1400081.b3dm"}}}