{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949396,-0.314083,0.000000,0.000000,0.175492,-0.530468,0.829341,0.000000,-0.259934,0.785715,0.561325,0.000000,-1659643.149488,5016693.570302,3559998.345825,1],    "boundingVolume": {    "region": [1.890237,0.595945,1.890336,0.596027,0.000000,20.270478]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1442670.b3dm"}}}