{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950198,-0.311648,0.000000,0.000000,0.174221,-0.531190,0.829147,0.000000,-0.257858,0.786194,0.561613,0.000000,-1646390.860084,5019754.203758,3561824.699993,1],    "boundingVolume": {    "region": [1.887654,0.596229,1.887792,0.596438,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1397135.b3dm"}}}