{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949305,-0.314358,0.000000,0.000000,0.175615,-0.530327,0.829405,0.000000,-0.260181,0.785701,0.561230,0.000000,-1661223.570592,5016603.019290,3559392.845999,1],    "boundingVolume": {    "region": [1.890508,0.595818,1.890645,0.595924,0.000000,8.729292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/8_1362025.b3dm"}}}