{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898360,-0.439259,0.000000,0.000000,0.284057,-0.580944,0.762768,0.000000,-0.334110,0.683311,0.649197,0.000000,-2134010.069517,4364413.083150,4118762.056377,1],    "boundingVolume": {    "region": [2.025520,0.706491,2.025621,0.706566,0.000000,7.336685]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1818766.b3dm"}}}