{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950849,-0.309654,0.000000,0.000000,0.173264,-0.532039,0.828803,0.000000,-0.256100,0.786404,0.562122,0.000000,-1635173.061892,5021104.860943,3565065.176324,1],    "boundingVolume": {    "region": [1.885542,0.596865,1.885708,0.597034,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1388200.b3dm"}}}