{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951822,-0.306650,0.000000,0.000000,0.114799,-0.356331,0.927281,0.000000,-0.284081,0.881771,0.376533,0.000000,-1812769.253944,5626729.217076,2386635.533630,1],    "boundingVolume": {    "region": [1.882410,0.386036,1.882524,0.386066,0.000000,19.158520]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/14_34899.b3dm"}}}