{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950809,-0.309779,0.000000,0.000000,0.171709,-0.527028,0.832320,0.000000,-0.257301,0.789738,0.556875,0.000000,-1642807.976014,5042295.529263,3531714.533561,1],    "boundingVolume": {    "region": [1.885672,0.590557,1.885842,0.590680,0.000000,7.204704]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/19_1322126.b3dm"}}}