{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950701,-0.310110,0.000000,0.000000,0.113433,-0.347751,0.930700,0.000000,-0.288359,0.884017,0.367916,0.000000,-1840027.151507,5640940.525585,2331967.365161,1],    "boundingVolume": {    "region": [1.886104,0.376765,1.886107,0.376769,0.000000,2.115200]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/28/16.b3dm"}}}