{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951206,-0.308555,0.000000,0.000000,0.115555,-0.356229,0.927226,0.000000,-0.285830,0.881148,0.376669,0.000000,-1823927.115409,5622752.453062,2387500.808281,1],    "boundingVolume": {    "region": [1.884389,0.386147,1.884552,0.386250,0.000000,5.159893]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/9_64770.b3dm"}}}