{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943954,-0.330076,0.000000,0.000000,0.184408,-0.527372,0.829380,0.000000,-0.273183,0.781250,0.561266,0.000000,-1744236.578887,4988181.926696,3559622.988176,1],    "boundingVolume": {    "region": [1.907133,0.595857,1.907228,0.595972,0.000000,8.784257]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1298071.b3dm"}}}