{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949187,-0.314711,0.000000,0.000000,0.116022,-0.349930,0.929563,0.000000,-0.292276,0.881520,0.370807,0.000000,-1865032.494939,5625044.077390,2350305.504097,1],    "boundingVolume": {    "region": [1.890895,0.379820,1.891003,0.379935,0.000000,33.486713]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/21_77474.b3dm"}}}