{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949122,-0.314908,0.000000,0.000000,0.175891,-0.530131,0.829472,0.000000,-0.260658,0.785614,0.561131,0.000000,-1664264.828622,5016045.472194,3558762.101693,1],    "boundingVolume": {    "region": [1.891087,0.595698,1.891224,0.595804,0.000000,8.619018]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1364502.b3dm"}}}