{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949208,-0.314650,0.000000,0.000000,0.116542,-0.351572,0.928878,0.000000,-0.292001,0.880882,0.372536,0.000000,-1863286.691577,5620996.717548,2361273.675147,1],    "boundingVolume": {    "region": [1.890815,0.381690,1.890953,0.381790,0.000000,16.837347]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/18_68267.b3dm"}}}