{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950645,-0.310282,0.000000,0.000000,0.173568,-0.531779,0.828906,0.000000,-0.256652,0.786333,0.561970,0.000000,-1638696.746224,5020649.677924,3564094.708598,1],    "boundingVolume": {    "region": [1.886204,0.596681,1.886369,0.596850,0.000000,8.788079]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_1327689.b3dm"}}}