{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943948,-0.330093,0.000000,0.000000,0.184425,-0.527391,0.829365,0.000000,-0.273191,0.781230,0.561289,0.000000,-1744292.993883,4988057.120554,3559769.246850,1],    "boundingVolume": {    "region": [1.907151,0.595885,1.907246,0.596000,0.000000,8.784257]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1298204.b3dm"}}}