{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943980,-0.330004,0.000000,0.000000,0.184187,-0.526871,0.829748,0.000000,-0.273245,0.781621,0.560720,0.000000,-1744630.187657,4990538.397192,3556148.846408,1],    "boundingVolume": {    "region": [1.907056,0.595197,1.907151,0.595312,0.000000,8.821102]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_1310273.b3dm"}}}