{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942855,-0.333202,0.000000,0.000000,0.186731,-0.528390,0.828212,0.000000,-0.275378,0.779231,0.562997,0.000000,-1758264.321844,4975324.823134,3570624.150040,1],    "boundingVolume": {    "region": [1.910432,0.597977,1.910556,0.598039,0.000000,8.759488]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/2/21_1285302.b3dm"}}}