{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899336,-0.437259,0.000000,0.000000,0.282967,-0.581994,0.762373,0.000000,-0.332414,0.683696,0.649662,0.000000,-2123186.521579,4366879.006890,4121720.977848,1],    "boundingVolume": {    "region": [2.023258,0.707085,2.023432,0.707194,0.000000,14.860059]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/15_1800782.b3dm"}}}