{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950062,-0.312063,0.000000,0.000000,0.173979,-0.529672,0.830168,0.000000,-0.258522,0.787058,0.560095,0.000000,-1650620.476455,5025242.907692,3552179.405237,1],    "boundingVolume": {    "region": [1.888078,0.594435,1.888242,0.594566,0.000000,9.930278]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1378540.b3dm"}}}