{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949449,-0.313923,0.000000,0.000000,0.175419,-0.530550,0.829304,0.000000,-0.259789,0.785724,0.561379,0.000000,-1658722.365639,5016751.874554,3560342.987497,1],    "boundingVolume": {    "region": [1.890069,0.596011,1.890167,0.596093,0.000000,12.085643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1359854.b3dm"}}}