{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950834,-0.309702,0.000000,0.000000,0.173111,-0.531476,0.829196,0.000000,-0.256263,0.786767,0.561540,0.000000,-1636209.540610,5023410.844390,3561364.101477,1],    "boundingVolume": {    "region": [1.885604,0.596136,1.885749,0.596356,0.000000,8.254911]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1338956.b3dm"}}}