{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898001,-0.439993,0.000000,0.000000,0.284414,-0.580472,0.762995,0.000000,-0.334768,0.683242,0.648930,0.000000,-2138212.736077,4363967.534593,4117065.608951,1],    "boundingVolume": {    "region": [2.026322,0.706066,2.026454,0.706289,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820569.b3dm"}}}