{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950370,-0.311123,0.000000,0.000000,0.173650,-0.530438,0.829748,0.000000,-0.257612,0.786911,0.560720,0.000000,-1644814.994320,5024315.799087,3556154.763955,1],    "boundingVolume": {    "region": [1.887121,0.595197,1.887221,0.595314,0.000000,8.811398]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1454331.b3dm"}}}