{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950047,-0.312107,0.000000,0.000000,0.174378,-0.530804,0.829361,0.000000,-0.258304,0.786274,0.561295,0.000000,-1649240.569345,5020260.763654,3559805.423160,1],    "boundingVolume": {    "region": [1.888120,0.595847,1.888291,0.596052,0.000000,8.809885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1430070.b3dm"}}}