{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948398,-0.317081,0.000000,0.000000,0.116424,-0.348228,0.930152,0.000000,-0.294665,0.881352,0.369313,0.000000,-1880273.439228,5623948.718952,2340827.905948,1],    "boundingVolume": {    "region": [1.893394,0.378230,1.893499,0.378309,0.000000,41.465812]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/18_12912.b3dm"}}}