{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949081,-0.315031,0.000000,0.000000,0.116109,-0.349798,0.929602,0.000000,-0.292585,0.881459,0.370708,0.000000,-1867008.244575,5624651.813094,2349679.777906,1],    "boundingVolume": {    "region": [1.891232,0.379714,1.891340,0.379829,0.000000,77.268840]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76178.b3dm"}}}