{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950484,-0.310774,0.000000,0.000000,0.114242,-0.349403,0.929982,0.000000,-0.288751,0.883126,0.369745,0.000000,-1842533.657393,5635277.603882,2343572.504774,1],    "boundingVolume": {    "region": [1.886729,0.378696,1.886878,0.378774,0.000000,5.304015]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/10_8620.b3dm"}}}