{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950372,-0.311115,0.000000,0.000000,0.173646,-0.530444,0.829745,0.000000,-0.257604,0.786911,0.560725,0.000000,-1644762.890656,5024313.854547,3556181.430411,1],    "boundingVolume": {    "region": [1.887112,0.595202,1.887212,0.595319,0.000000,8.811398]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1454360.b3dm"}}}