{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950830,-0.309712,0.000000,0.000000,0.173119,-0.531485,0.829188,0.000000,-0.256269,0.786757,0.561551,0.000000,-1636244.987146,5023349.574181,3561433.768711,1],    "boundingVolume": {    "region": [1.885614,0.596149,1.885759,0.596369,0.000000,8.774613]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1338913.b3dm"}}}