{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950056,-0.312078,0.000000,0.000000,0.174010,-0.529735,0.830121,0.000000,-0.258520,0.787009,0.560165,0.000000,-1650609.198660,5024931.658364,3552621.944095,1],    "boundingVolume": {    "region": [1.888094,0.594519,1.888258,0.594650,0.000000,11.823777]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458503.b3dm"}}}