{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950982,-0.309245,0.000000,0.000000,0.172791,-0.531362,0.829336,0.000000,-0.255929,0.787024,0.561332,0.000000,-1634071.679401,5025049.962680,3560041.925622,1],    "boundingVolume": {    "region": [1.885123,0.595885,1.885269,0.596104,0.000000,8.794689]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1422453.b3dm"}}}