{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950657,-0.310244,0.000000,0.000000,0.173568,-0.531853,0.828859,0.000000,-0.256605,0.786298,0.562040,0.000000,-1638398.074338,5020426.574433,3564543.241155,1],    "boundingVolume": {    "region": [1.886163,0.596766,1.886328,0.596935,0.000000,8.788079]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_1396015.b3dm"}}}