{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943954,-0.330077,0.000000,0.000000,0.184407,-0.527369,0.829383,0.000000,-0.273184,0.781252,0.561262,0.000000,-1744244.491453,4988196.383382,3559599.013938,1],    "boundingVolume": {    "region": [1.907133,0.595853,1.907229,0.595968,0.000000,8.784257]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1271612.b3dm"}}}