{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951700,-0.307030,0.000000,0.000000,0.114657,-0.355403,0.927654,0.000000,-0.284550,0.882017,0.375603,0.000000,-1815755.927611,5628283.810489,2380731.958977,1],    "boundingVolume": {    "region": [1.882820,0.385009,1.882915,0.385085,0.000000,9.652007]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/12/47_38582.b3dm"}}}