{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950923,-0.309427,0.000000,0.000000,0.172625,-0.530507,0.829918,0.000000,-0.256260,0.787532,0.560468,0.000000,-1636181.646910,5028278.346337,3554547.207168,1],    "boundingVolume": {    "region": [1.885329,0.594893,1.885444,0.595007,0.000000,8.026076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1448262.b3dm"}}}