{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950673,-0.310196,0.000000,0.000000,0.173515,-0.531780,0.828916,0.000000,-0.256584,0.786366,0.561955,0.000000,-1638259.605324,5020860.341860,3563999.547001,1],    "boundingVolume": {    "region": [1.886112,0.596663,1.886278,0.596832,0.000000,8.710178]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1395049.b3dm"}}}