{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852939,-0.522010,0.000000,0.000000,0.269363,-0.440126,0.856582,0.000000,-0.446341,0.729300,0.518556,0.000000,-2849391.473854,4655769.516155,3288242.533760,1],    "boundingVolume": {    "region": [2.119956,0.545120,2.120048,0.545204,0.000000,78.392900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_5466.b3dm"}}}