{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950667,-0.310213,0.000000,0.000000,0.173637,-0.532123,0.828670,0.000000,-0.256521,0.786126,0.562319,0.000000,-1637860.851165,5019334.920434,3566315.100123,1],    "boundingVolume": {    "region": [1.886130,0.597103,1.886296,0.597272,0.000000,8.779138]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1384519.b3dm"}}}