{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950260,-0.311458,0.000000,0.000000,0.116368,-0.355039,0.927580,0.000000,-0.288630,0.880612,0.375787,0.000000,-1841794.958182,5619317.976944,2381900.960213,1],    "boundingVolume": {    "region": [1.887469,0.385155,1.887578,0.385336,0.000000,4.279653]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/9_61785.b3dm"}}}