{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951896,-0.306420,0.000000,0.000000,0.112388,-0.349134,0.930309,0.000000,-0.284806,0.884753,0.368914,0.000000,-1817361.954025,5645648.216443,2338297.293312,1],    "boundingVolume": {    "region": [1.882225,0.377839,1.882227,0.377841,0.000000,4.341944]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/5.b3dm"}}}