{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950896,-0.309509,0.000000,0.000000,0.173010,-0.531536,0.829179,0.000000,-0.256098,0.786802,0.561566,0.000000,-1635153.750400,5023639.175270,3561525.841625,1],    "boundingVolume": {    "region": [1.885400,0.596167,1.885546,0.596386,0.000000,8.697403]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/14_1338873.b3dm"}}}