{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950648,-0.310270,0.000000,0.000000,0.173507,-0.531614,0.829025,0.000000,-0.256680,0.786450,0.561794,0.000000,-1638869.582381,5021390.225861,3562979.311434,1],    "boundingVolume": {    "region": [1.886225,0.596504,1.886323,0.596602,0.000000,10.633207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/5_1390898.b3dm"}}}