{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950579,-0.310484,0.000000,0.000000,0.173806,-0.532125,0.828634,0.000000,-0.256734,0.786018,0.562373,0.000000,-1639220.817843,5018646.218507,3566657.175004,1],    "boundingVolume": {    "region": [1.886449,0.597203,1.886547,0.597302,0.000000,11.687614]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/13_1384997.b3dm"}}}