{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950166,-0.311744,0.000000,0.000000,0.174071,-0.530553,0.829586,0.000000,-0.258075,0.786587,0.560961,0.000000,-1647772.409887,5022255.271511,3557685.623773,1],    "boundingVolume": {    "region": [1.887774,0.595488,1.887874,0.595605,0.000000,8.818384]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1455722.b3dm"}}}