{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950123,-0.311875,0.000000,0.000000,0.174535,-0.531720,0.828741,0.000000,-0.257918,0.785744,0.562215,0.000000,-1646778.934251,5016890.808784,3565651.727895,1],    "boundingVolume": {    "region": [1.887886,0.596969,1.888038,0.597154,0.000000,8.765008]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1385338.b3dm"}}}