{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950549,-0.310575,0.000000,0.000000,0.173691,-0.531602,0.828994,0.000000,-0.256922,0.786338,0.561840,0.000000,-1640415.456280,5020677.417846,3563270.449499,1],    "boundingVolume": {    "region": [1.886545,0.596559,1.886643,0.596658,0.000000,10.889478]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1329093.b3dm"}}}