{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950556,-0.310554,0.000000,0.000000,0.173822,-0.532040,0.828686,0.000000,-0.256808,0.786048,0.562297,0.000000,-1639695.145577,5018837.757985,3566172.854878,1],    "boundingVolume": {    "region": [1.886524,0.597111,1.886621,0.597210,0.000000,7.409681]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1325715.b3dm"}}}