{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942849,-0.333221,0.000000,0.000000,0.186553,-0.527851,0.828596,0.000000,-0.275522,0.779590,0.562429,0.000000,-1759180.933645,4977606.305312,3567015.398031,1],    "boundingVolume": {    "region": [1.910451,0.597281,1.910576,0.597361,0.000000,8.807513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/4_1287002.b3dm"}}}