{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897659,-0.440691,0.000000,0.000000,0.285496,-0.581538,0.761777,0.000000,-0.334759,0.681884,0.650362,0.000000,-2138170.720189,4355319.830734,4126173.135998,1],    "boundingVolume": {    "region": [2.027088,0.707947,2.027240,0.708174,0.000000,18.456261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796829.b3dm"}}}