{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951686,-0.307074,0.000000,0.000000,0.114741,-0.355607,0.927566,0.000000,-0.284562,0.881919,0.375824,0.000000,-1815835.931240,5627659.605126,2382136.656525,1],    "boundingVolume": {    "region": [1.882865,0.385248,1.882961,0.385323,0.000000,7.206138]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/13/50_38803.b3dm"}}}