{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897687,-0.440635,0.000000,0.000000,0.285468,-0.581571,0.761763,0.000000,-0.334711,0.681892,0.650379,0.000000,-2137858.504812,4355369.690637,4126281.551997,1],    "boundingVolume": {    "region": [2.027026,0.707969,2.027178,0.708197,0.000000,17.920391]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/2_1797026.b3dm"}}}