{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948395,-0.317091,0.000000,0.000000,0.116429,-0.348230,0.930151,0.000000,-0.294674,0.881347,0.369316,0.000000,-1880327.407180,5623921.051066,2340850.873813,1],    "boundingVolume": {    "region": [1.893405,0.378234,1.893509,0.378313,0.000000,41.465812]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/18_12914.b3dm"}}}