{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950217,-0.311588,0.000000,0.000000,0.174296,-0.531532,0.828911,0.000000,-0.257734,0.785985,0.561962,0.000000,-1645603.183059,5018425.882480,3564044.826971,1],    "boundingVolume": {    "region": [1.887584,0.596663,1.887736,0.596848,0.000000,8.630878]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1400102.b3dm"}}}