{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950949,-0.309348,0.000000,0.000000,0.116050,-0.356741,0.926967,0.000000,-0.286483,0.880661,0.377312,0.000000,-1828099.043451,5619653.784450,2391574.668986,1],    "boundingVolume": {    "region": [1.885222,0.386840,1.885385,0.386943,0.000000,7.987158]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/16_59186.b3dm"}}}