{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950345,-0.311199,0.000000,0.000000,0.173933,-0.531159,0.829227,0.000000,-0.257511,0.786392,0.561494,0.000000,-1644175.898076,5021019.507585,3561069.404292,1],    "boundingVolume": {    "region": [1.887174,0.596097,1.887326,0.596282,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1432075.b3dm"}}}