{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951192,-0.308598,0.000000,0.000000,0.170711,-0.526183,0.833060,0.000000,-0.256551,0.790766,0.555762,0.000000,-1638009.529541,5048836.244289,3524639.501947,1],    "boundingVolume": {    "region": [1.884430,0.589217,1.884600,0.589340,0.000000,5.729813]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/7_1323109.b3dm"}}}