{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949612,-0.313429,0.000000,0.000000,0.175286,-0.531072,0.828998,0.000000,-0.259284,0.785567,0.561833,0.000000,-1655500.518752,5015753.908324,3563227.989116,1],    "boundingVolume": {    "region": [1.889522,0.596516,1.889675,0.596684,0.000000,13.168907]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_1411910.b3dm"}}}