{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950149,-0.311795,0.000000,0.000000,0.117066,-0.356741,0.926840,0.000000,-0.288709,0.879798,0.377628,0.000000,-1842306.267372,5614150.220410,2393583.983784,1],    "boundingVolume": {    "region": [1.887824,0.387143,1.887933,0.387324,0.000000,4.143923]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/21_60550.b3dm"}}}