{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949345,-0.314236,0.000000,0.000000,0.175735,-0.530918,0.829001,0.000000,-0.259953,0.785349,0.561828,0.000000,-1659767.597101,5014365.646476,3563197.035332,1],    "boundingVolume": {    "region": [1.890397,0.596584,1.890498,0.596605,0.000000,8.700919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/9_1418839.b3dm"}}}