{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951791,-0.306748,0.000000,0.000000,0.114451,-0.355121,0.927788,0.000000,-0.284330,0.882229,0.375270,0.000000,-1814350.538557,5629634.264173,2378623.698550,1],    "boundingVolume": {    "region": [1.882523,0.384651,1.882619,0.384726,0.000000,7.061250]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/9/42_40400.b3dm"}}}