{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949947,-0.312410,0.000000,0.000000,0.174466,-0.530499,0.829538,0.000000,-0.258611,0.786360,0.561033,0.000000,-1651197.832797,5020807.190542,3558138.289673,1],    "boundingVolume": {    "region": [1.888443,0.595567,1.888607,0.595698,0.000000,7.938776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/15_1354058.b3dm"}}}