{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949052,-0.315120,0.000000,0.000000,0.175750,-0.529309,0.830027,0.000000,-0.261010,0.786086,0.560305,0.000000,-1666508.308612,5019044.032552,3553515.979320,1],    "boundingVolume": {    "region": [1.891332,0.594659,1.891427,0.594850,0.000000,15.708664]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/27_1382368.b3dm"}}}