{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949594,-0.313481,0.000000,0.000000,0.175334,-0.531119,0.828957,0.000000,-0.259315,0.785513,0.561894,0.000000,-1655695.934915,5015415.021801,3563611.601126,1],    "boundingVolume": {    "region": [1.889603,0.596663,1.889704,0.596684,0.000000,110.591080]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/13_1415101.b3dm"}}}