{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948981,-0.315334,0.000000,0.000000,0.175979,-0.529599,0.829793,0.000000,-0.261112,0.785804,0.560653,0.000000,-1667165.650362,5017249.006049,3555726.920336,1],    "boundingVolume": {    "region": [1.891557,0.595079,1.891652,0.595270,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074033.b3dm"}}}