{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948604,-0.316465,0.000000,0.000000,0.116217,-0.348360,0.930128,0.000000,-0.294085,0.881520,0.369373,0.000000,-1876569.479387,5625025.903022,2341209.351584,1],    "boundingVolume": {    "region": [1.892796,0.378333,1.892797,0.378335,0.000000,4.494922]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/12.b3dm"}}}