{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950485,-0.310770,0.000000,0.000000,0.173870,-0.531781,0.828842,0.000000,-0.257035,0.786140,0.562065,0.000000,-1641142.581213,5019416.479675,3564702.141033,1],    "boundingVolume": {    "region": [1.886750,0.596831,1.886848,0.596930,0.000000,8.622855]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1396383.b3dm"}}}