{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949821,-0.312793,0.000000,0.000000,0.174615,-0.530233,0.829676,0.000000,-0.258972,0.786388,0.560827,0.000000,-1653500.226777,5020982.224690,3556830.670348,1],    "boundingVolume": {    "region": [1.888847,0.595319,1.889011,0.595450,0.000000,8.506593]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1355565.b3dm"}}}