{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949011,-0.315244,0.000000,0.000000,0.175932,-0.529626,0.829786,0.000000,-0.261036,0.785822,0.560664,0.000000,-1666677.946483,5017363.404270,3555793.683389,1],    "boundingVolume": {    "region": [1.891463,0.595092,1.891558,0.595282,0.000000,8.772595]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/29_1073835.b3dm"}}}