{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950524,-0.310651,0.000000,0.000000,0.173746,-0.531625,0.828968,0.000000,-0.256977,0.786292,0.561878,0.000000,-1640768.696754,5020387.392269,3563514.792842,1],    "boundingVolume": {    "region": [1.886626,0.596606,1.886723,0.596704,0.000000,14.464368]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1394033.b3dm"}}}