{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948874,-0.315656,0.000000,0.000000,0.116014,-0.348743,0.930010,0.000000,-0.293296,0.881657,0.369673,0.000000,-1871535.548044,5625905.546870,2343111.620076,1],    "boundingVolume": {    "region": [1.891892,0.378622,1.891997,0.378692,0.000000,48.416004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/17_12136.b3dm"}}}