{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950148,-0.311800,0.000000,0.000000,0.116780,-0.355863,0.927213,0.000000,-0.288831,0.880155,0.376701,0.000000,-1843079.087858,5616418.286489,2387700.579687,1],    "boundingVolume": {    "region": [1.887836,0.386205,1.887929,0.386259,0.000000,13.864902]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/15.b3dm"}}}