{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948998,-0.315281,0.000000,0.000000,0.175947,-0.529601,0.829799,0.000000,-0.261071,0.785824,0.560644,0.000000,-1666898.888238,5017377.082928,3555671.635599,1],    "boundingVolume": {    "region": [1.891502,0.595069,1.891597,0.595259,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074179.b3dm"}}}