{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898459,-0.439057,0.000000,0.000000,0.283840,-0.580831,0.762935,0.000000,-0.334030,0.683537,0.649000,0.000000,-2133496.200260,4365851.824971,4117511.703096,1],    "boundingVolume": {    "region": [2.025295,0.706232,2.025396,0.706307,0.000000,9.337569]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1817739.b3dm"}}}