{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897876,-0.440248,0.000000,0.000000,0.282635,-0.576428,0.766712,0.000000,-0.336607,0.686502,0.644524,0.000000,-2149917.053209,4384705.581192,4089029.195191,1],    "boundingVolume": {    "region": [2.026608,0.700365,2.026735,0.700434,0.000000,19.030441]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_852759.b3dm"}}}