{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950207,-0.311620,0.000000,0.000000,0.174176,-0.531106,0.829210,0.000000,-0.257854,0.786262,0.561519,0.000000,-1646366.283817,5020186.114673,3561231.282134,1],    "boundingVolume": {    "region": [1.887624,0.596116,1.887762,0.596325,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1432442.b3dm"}}}