{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944022,-0.329884,0.000000,0.000000,0.184317,-0.527456,0.829348,0.000000,-0.273013,0.781274,0.561315,0.000000,-1743151.489770,4988338.200110,3559933.424170,1],    "boundingVolume": {    "region": [1.906929,0.595916,1.907025,0.596031,0.000000,8.773497]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1266921.b3dm"}}}