{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949286,-0.314413,0.000000,0.000000,0.175776,-0.530710,0.829126,0.000000,-0.260139,0.785419,0.561644,0.000000,-1660954.699325,5014810.638464,3562025.328172,1],    "boundingVolume": {    "region": [1.890585,0.596331,1.890684,0.596412,0.000000,8.812643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1417013.b3dm"}}}