{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950463,-0.310837,0.000000,0.000000,0.173981,-0.531991,0.828683,0.000000,-0.257042,0.785970,0.562300,0.000000,-1641184.794041,5018336.826344,3566192.433161,1],    "boundingVolume": {    "region": [1.886821,0.597115,1.886919,0.597214,0.000000,8.741417]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1384331.b3dm"}}}