{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949753,-0.313000,0.000000,0.000000,0.174993,-0.530991,0.829112,0.000000,-0.258965,0.785792,0.561665,0.000000,-1653462.090895,5017190.623581,3562158.845615,1],    "boundingVolume": {    "region": [1.889070,0.596313,1.889223,0.596481,0.000000,7.796672]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1335723.b3dm"}}}