{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950081,-0.312002,0.000000,0.000000,0.116857,-0.355842,0.927211,0.000000,-0.289018,0.880092,0.376706,0.000000,-1844270.909174,5616014.518709,2387729.831644,1],    "boundingVolume": {    "region": [1.888042,0.386147,1.888150,0.386328,0.000000,23.729566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_61268.b3dm"}}}