{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949120,-0.314915,0.000000,0.000000,0.116033,-0.349712,0.929644,0.000000,-0.292491,0.881535,0.370602,0.000000,-1866403.961131,5625134.769528,2349008.133214,1],    "boundingVolume": {    "region": [1.891110,0.379600,1.891218,0.379715,0.000000,55.718082]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/19_75092.b3dm"}}}