{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948996,-0.315289,0.000000,0.000000,0.175953,-0.529606,0.829794,0.000000,-0.261076,0.785817,0.560652,0.000000,-1666930.508046,5017333.064353,3555718.609154,1],    "boundingVolume": {    "region": [1.891510,0.595078,1.891605,0.595268,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074065.b3dm"}}}