{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949616,-0.313417,0.000000,0.000000,0.175188,-0.530800,0.829193,0.000000,-0.259336,0.785756,0.561545,0.000000,-1655826.266982,5016958.687166,3561392.421649,1],    "boundingVolume": {    "region": [1.889536,0.596210,1.889635,0.596292,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1444026.b3dm"}}}