{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898005,-0.439985,0.000000,0.000000,0.284414,-0.580485,0.762985,0.000000,-0.334758,0.683236,0.648942,0.000000,-2138145.624051,4363931.245236,4117138.437282,1],    "boundingVolume": {    "region": [2.026312,0.706081,2.026445,0.706304,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820772.b3dm"}}}