{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950268,-0.311434,0.000000,0.000000,0.173725,-0.530082,0.829960,0.000000,-0.257936,0.787030,0.560405,0.000000,-1646880.607982,5025067.875340,3554149.060467,1],    "boundingVolume": {    "region": [1.887448,0.594816,1.887548,0.594933,0.000000,8.790312]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1451930.b3dm"}}}