{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950375,-0.311106,0.000000,0.000000,0.173642,-0.530446,0.829744,0.000000,-0.257596,0.786912,0.560726,0.000000,-1644714.202095,5024324.928281,3556188.257489,1],    "boundingVolume": {    "region": [1.887103,0.595204,1.887202,0.595320,0.000000,8.811398]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1454364.b3dm"}}}