{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950876,-0.309572,0.000000,0.000000,0.172984,-0.531335,0.829313,0.000000,-0.256192,0.786914,0.561367,0.000000,-1635752.969284,5024345.283948,3560262.908804,1],    "boundingVolume": {    "region": [1.885467,0.595927,1.885612,0.596146,0.000000,8.723123]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339501.b3dm"}}}