{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949892,-0.312578,0.000000,0.000000,0.174747,-0.531039,0.829132,0.000000,-0.258622,0.785927,0.561634,0.000000,-1651273.710424,5018050.846196,3561963.572899,1],    "boundingVolume": {    "region": [1.888616,0.596257,1.888788,0.596462,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1402946.b3dm"}}}