{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949876,-0.312628,0.000000,0.000000,0.174768,-0.531008,0.829148,0.000000,-0.258669,0.785928,0.561611,0.000000,-1651571.524778,5018058.948561,3561815.081232,1],    "boundingVolume": {    "region": [1.888670,0.596229,1.888841,0.596434,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1401679.b3dm"}}}