{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948995,-0.315290,0.000000,0.000000,0.175948,-0.529588,0.829806,0.000000,-0.261080,0.785829,0.560633,0.000000,-1666960.598650,5017407.194410,3555600.692454,1],    "boundingVolume": {    "region": [1.891511,0.595055,1.891606,0.595246,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074420.b3dm"}}}