{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950460,-0.310847,0.000000,0.000000,0.173984,-0.531982,0.828688,0.000000,-0.257052,0.785972,0.562292,0.000000,-1641248.519639,5018349.180805,3566146.032884,1],    "boundingVolume": {    "region": [1.886832,0.597106,1.886930,0.597205,0.000000,8.395632]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1325744.b3dm"}}}