{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852938,-0.522012,0.000000,0.000000,0.269369,-0.440133,0.856577,0.000000,-0.446341,0.729295,0.518565,0.000000,-2849387.132290,4655733.806125,3288296.492853,1],    "boundingVolume": {    "region": [2.119959,0.545129,2.120051,0.545214,0.000000,88.702966]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_5481.b3dm"}}}