{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949402,-0.314063,0.000000,0.000000,0.175485,-0.530486,0.829331,0.000000,-0.259914,0.785711,0.561340,0.000000,-1659516.443951,5016669.052217,3560091.335183,1],    "boundingVolume": {    "region": [1.890216,0.595963,1.890315,0.596045,0.000000,13.484208]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1360642.b3dm"}}}