{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948391,-0.317104,0.000000,0.000000,0.116325,-0.347904,0.930286,0.000000,-0.294729,0.881472,0.368973,0.000000,-1880681.620135,5624715.603475,2338670.933265,1],    "boundingVolume": {    "region": [1.893419,0.377864,1.893523,0.377943,0.000000,56.137203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_17741.b3dm"}}}