{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950299,-0.311339,0.000000,0.000000,0.174107,-0.531426,0.829019,0.000000,-0.257562,0.786155,0.561802,0.000000,-1644501.141440,5019512.508170,3563029.978115,1],    "boundingVolume": {    "region": [1.887322,0.596470,1.887474,0.596655,0.000000,8.799261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/3_1398740.b3dm"}}}