{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949631,-0.313370,0.000000,0.000000,0.175013,-0.530357,0.829513,0.000000,-0.259398,0.786075,0.561069,0.000000,-1656222.652636,5018985.225007,3558371.797981,1],    "boundingVolume": {    "region": [1.889516,0.595670,1.889556,0.595684,0.000000,7.873101]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/5.b3dm"}}}