{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950703,-0.310102,0.000000,0.000000,0.173259,-0.531173,0.829359,0.000000,-0.256645,0.786815,0.561297,0.000000,-1638644.656294,5023717.370795,3559822.173433,1],    "boundingVolume": {    "region": [1.886039,0.595896,1.886154,0.596010,0.000000,8.676505]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1342868.b3dm"}}}