{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948793,-0.315897,0.000000,0.000000,0.176245,-0.529351,0.829895,0.000000,-0.261612,0.785746,0.560502,0.000000,-1670351.597212,5016876.662686,3554763.436681,1],    "boundingVolume": {    "region": [1.892151,0.594880,1.892247,0.595103,0.000000,8.679202]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1178463.b3dm"}}}