{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950874,-0.309579,0.000000,0.000000,0.172986,-0.531329,0.829316,0.000000,-0.256198,0.786915,0.561362,0.000000,-1635793.856281,5024354.212641,3560231.732685,1],    "boundingVolume": {    "region": [1.885474,0.595921,1.885619,0.596140,0.000000,8.818891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1422672.b3dm"}}}