{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949317,-0.314320,0.000000,0.000000,0.175730,-0.530745,0.829113,0.000000,-0.260057,0.785433,0.561663,0.000000,-1660435.696817,5014897.844703,3562143.724045,1],    "boundingVolume": {    "region": [1.890487,0.596353,1.890585,0.596435,0.000000,8.665553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1417450.b3dm"}}}