{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857914,-0.513794,0.000000,0.000000,0.262874,-0.438937,0.859204,0.000000,-0.440674,0.735822,0.514172,0.000000,-2813171.495521,4697331.076634,3260389.043091,1],    "boundingVolume": {    "region": [2.110315,0.539979,2.110479,0.540104,0.000000,20.932700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/4_346786.b3dm"}}}