{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896316,-0.443416,0.000000,0.000000,0.283827,-0.573724,0.768299,0.000000,-0.339736,0.686738,0.642627,0.000000,-2169883.883549,4386178.357027,4076966.196123,1],    "boundingVolume": {    "region": [2.030136,0.697863,2.030269,0.697982,0.000000,49.655558]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_540192.b3dm"}}}