{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943928,-0.330151,0.000000,0.000000,0.184402,-0.527220,0.829479,0.000000,-0.273277,0.781322,0.561120,0.000000,-1744840.561093,4988638.218934,3558693.680877,1],    "boundingVolume": {    "region": [1.907212,0.595681,1.907308,0.595796,0.000000,8.809487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1297630.b3dm"}}}