{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951884,-0.306459,0.000000,0.000000,0.112579,-0.349677,0.930082,0.000000,-0.284773,0.884523,0.369492,0.000000,-1817148.603304,5644187.160336,2341962.665146,1],    "boundingVolume": {    "region": [1.882186,0.378402,1.882350,0.378522,0.000000,31.872337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_46041.b3dm"}}}