{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950213,-0.311601,0.000000,0.000000,0.173890,-0.530269,0.829805,0.000000,-0.258026,0.786837,0.560634,0.000000,-1647456.134327,5023840.180707,3555607.776572,1],    "boundingVolume": {    "region": [1.887624,0.595093,1.887724,0.595210,0.000000,8.815537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_1453721.b3dm"}}}