{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950260,-0.311459,0.000000,0.000000,0.173882,-0.530512,0.829652,0.000000,-0.257860,0.786728,0.560863,0.000000,-1646398.238405,5023150.937601,3557061.476975,1],    "boundingVolume": {    "region": [1.887475,0.595370,1.887574,0.595486,0.000000,8.799516]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1454921.b3dm"}}}