{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942947,-0.332944,0.000000,0.000000,0.186688,-0.528727,0.828007,0.000000,-0.275095,0.779112,0.563301,0.000000,-1756462.038000,4974566.724490,3572553.911866,1],    "boundingVolume": {    "region": [1.910148,0.598326,1.910292,0.598424,0.000000,7.764376]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/5_545652.b3dm"}}}