{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951027,-0.309107,0.000000,0.000000,0.115857,-0.356457,0.927101,0.000000,-0.286302,0.880862,0.376980,0.000000,-1826940.655535,5620930.431703,2389472.915225,1],    "boundingVolume": {    "region": [1.884969,0.386482,1.885132,0.386585,0.000000,7.310381]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/12_60755.b3dm"}}}