{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950102,-0.311939,0.000000,0.000000,0.174346,-0.531023,0.829227,0.000000,-0.258124,0.786192,0.561493,0.000000,-1648087.671970,5019738.511437,3561067.114470,1],    "boundingVolume": {    "region": [1.887960,0.596085,1.888098,0.596294,0.000000,8.804839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1432077.b3dm"}}}