{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950756,-0.309941,0.000000,0.000000,0.173275,-0.531527,0.829129,0.000000,-0.256440,0.786638,0.561639,0.000000,-1637339.227793,5022593.686946,3561993.142286,1],    "boundingVolume": {    "region": [1.885845,0.596281,1.886010,0.596450,0.000000,8.813511]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/0_1385799.b3dm"}}}