{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950308,-0.311311,0.000000,0.000000,0.174041,-0.531278,0.829128,0.000000,-0.257573,0.786267,0.561641,0.000000,-1644574.405517,5020221.607908,3562003.895651,1],    "boundingVolume": {    "region": [1.887293,0.596275,1.887445,0.596460,0.000000,8.806967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397469.b3dm"}}}