{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950028,-0.312165,0.000000,0.000000,0.174495,-0.531048,0.829180,0.000000,-0.258296,0.786085,0.561563,0.000000,-1649190.792921,5019059.973874,3561509.812986,1],    "boundingVolume": {    "region": [1.888182,0.596171,1.888353,0.596376,0.000000,17.053839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1439998.b3dm"}}}