{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949100,-0.314973,0.000000,0.000000,0.175996,-0.530324,0.829326,0.000000,-0.260666,0.785457,0.561347,0.000000,-1664319.878721,5015046.648176,3560134.534952,1],    "boundingVolume": {    "region": [1.891156,0.595959,1.891294,0.596065,0.000000,11.675874]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1360495.b3dm"}}}