{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949084,-0.315022,0.000000,0.000000,0.115977,-0.349409,0.929765,0.000000,-0.292629,0.881617,0.370296,0.000000,-1867282.975706,5625659.242164,2347065.824291,1],    "boundingVolume": {    "region": [1.891222,0.379270,1.891331,0.379385,0.000000,40.326668]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/16_6852.b3dm"}}}