{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949639,-0.313347,0.000000,0.000000,0.175261,-0.531152,0.828951,0.000000,-0.259202,0.785544,0.561903,0.000000,-1654973.608474,5015612.700094,3563668.527930,1],    "boundingVolume": {    "region": [1.889461,0.596673,1.889562,0.596695,0.000000,8.505450]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/2/13_1415321.b3dm"}}}