{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950603,-0.310410,0.000000,0.000000,0.172060,-0.526918,0.832318,0.000000,-0.257824,0.789565,0.556879,0.000000,-1646147.903464,5041187.891373,3531740.405132,1],    "boundingVolume": {    "region": [1.886335,0.590562,1.886505,0.590685,0.000000,5.918363]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/19_1322338.b3dm"}}}