{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949162,-0.314788,0.000000,0.000000,0.175961,-0.530564,0.829180,0.000000,-0.260466,0.785369,0.561564,0.000000,-1663043.245989,5014484.062806,3561514.001873,1],    "boundingVolume": {    "region": [1.890961,0.596221,1.891098,0.596328,0.000000,17.365746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1447337.b3dm"}}}