{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950594,-0.310437,0.000000,0.000000,0.173420,-0.531034,0.829415,0.000000,-0.256939,0.786778,0.561215,0.000000,-1640522.606906,5023476.787244,3559300.215648,1],    "boundingVolume": {    "region": [1.886391,0.595796,1.886506,0.595911,0.000000,8.552501]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/13_1343209.b3dm"}}}