{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950534,-0.310620,0.000000,0.000000,0.173621,-0.531302,0.829201,0.000000,-0.257024,0.786524,0.561533,0.000000,-1641066.108956,5021859.976811,3561317.044834,1],    "boundingVolume": {    "region": [1.886593,0.596188,1.886690,0.596286,0.000000,7.917461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1341842.b3dm"}}}