{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949725,-0.313084,0.000000,0.000000,0.174965,-0.530749,0.829272,0.000000,-0.259085,0.785923,0.561426,0.000000,-1654227.604439,5018022.403685,3560641.697631,1],    "boundingVolume": {    "region": [1.889158,0.596024,1.889311,0.596193,0.000000,11.448053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1349760.b3dm"}}}