{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948392,-0.317099,0.000000,0.000000,0.116339,-0.347952,0.930266,0.000000,-0.294718,0.881455,0.369024,0.000000,-1880611.870509,5624604.336950,2338992.436973,1],    "boundingVolume": {    "region": [1.893413,0.377919,1.893518,0.377997,0.000000,56.137203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_17837.b3dm"}}}