{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949615,-0.313418,0.000000,0.000000,0.175028,-0.530311,0.829539,0.000000,-0.259446,0.786087,0.561030,0.000000,-1656526.535775,5019063.532733,3558121.570239,1],    "boundingVolume": {    "region": [1.889537,0.595589,1.889636,0.595670,0.000000,8.737684]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_1366306.b3dm"}}}