{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949129,-0.314887,0.000000,0.000000,0.116128,-0.350031,0.929512,0.000000,-0.292422,0.881417,0.370936,0.000000,-1865969.450474,5624387.242076,2351128.057036,1],    "boundingVolume": {    "region": [1.891080,0.379960,1.891188,0.380075,0.000000,80.555630]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/22_1928.b3dm"}}}