{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944034,-0.329849,0.000000,0.000000,0.184252,-0.527331,0.829441,0.000000,-0.273015,0.781374,0.561176,0.000000,-1743165.428957,4988969.272656,3559048.111380,1],    "boundingVolume": {    "region": [1.906892,0.595748,1.906988,0.595863,0.000000,8.790846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_1297849.b3dm"}}}