{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949236,-0.314564,0.000000,0.000000,0.115170,-0.347541,0.930565,0.000000,-0.292457,0.882526,0.368261,0.000000,-1866179.022405,5631430.281418,2334155.469435,1],    "boundingVolume": {    "region": [1.890731,0.377090,1.890856,0.377186,0.000000,55.878570]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_22872.b3dm"}}}