{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949724,-0.313087,0.000000,0.000000,0.174979,-0.530784,0.829247,0.000000,-0.259080,0.785898,0.561464,0.000000,-1654194.350695,5017864.917466,3560877.492025,1],    "boundingVolume": {    "region": [1.889162,0.596069,1.889315,0.596237,0.000000,19.004798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1435047.b3dm"}}}