{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948734,-0.316077,0.000000,0.000000,0.176461,-0.529663,0.829650,0.000000,-0.261682,0.785463,0.560866,0.000000,-1670803.649953,5015071.830165,3557081.331928,1],    "boundingVolume": {    "region": [1.892340,0.595320,1.892436,0.595543,0.000000,8.794527]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1181009.b3dm"}}}