{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950425,-0.310954,0.000000,0.000000,0.117334,-0.358628,0.926077,0.000000,-0.287690,0.879321,0.379512,0.000000,-1835814.121179,5611132.444623,2405537.765207,1],    "boundingVolume": {    "region": [1.886933,0.389205,1.887052,0.389334,0.000000,10.339192]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/27/21_57748.b3dm"}}}