{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852868,-0.522126,0.000000,0.000000,0.269405,-0.440060,0.856603,0.000000,-0.446452,0.729257,0.518522,0.000000,-2850095.595027,4655495.323972,3288022.001371,1],    "boundingVolume": {    "region": [2.120092,0.545079,2.120185,0.545163,0.000000,140.438233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_7935.b3dm"}}}