{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950103,-0.311937,0.000000,0.000000,0.173918,-0.529722,0.830149,0.000000,-0.258411,0.787074,0.560123,0.000000,-1649915.651373,5025347.782267,3552357.282044,1],    "boundingVolume": {    "region": [1.887945,0.594469,1.888109,0.594600,0.000000,8.766006]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1458327.b3dm"}}}