{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950023,-0.312181,0.000000,0.000000,0.174084,-0.529768,0.830085,0.000000,-0.258594,0.786946,0.560218,0.000000,-1651081.114186,5024532.854091,3552964.386149,1],    "boundingVolume": {    "region": [1.888202,0.594584,1.888366,0.594715,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460926.b3dm"}}}