{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871350,-0.490663,0.000000,0.000000,0.211852,-0.376220,0.901985,0.000000,-0.442014,0.784956,0.434130,0.000000,-2821004.071464,5009715.293929,2752139.804177,1],    "boundingVolume": {    "region": [2.083590,0.449032,2.083703,0.449112,0.000000,90.631680]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_224712.b3dm"}}}