{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950222,-0.311573,0.000000,0.000000,0.172749,-0.526842,0.832223,0.000000,-0.258761,0.789158,0.557021,0.000000,-1652131.567549,5038592.365432,3532644.024283,1],    "boundingVolume": {    "region": [1.887585,0.590732,1.887705,0.590857,0.000000,6.721724]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/18_1462732.b3dm"}}}