{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949298,-0.314379,0.000000,0.000000,0.175406,-0.529655,0.829879,0.000000,-0.260349,0.786149,0.560526,0.000000,-1662290.279090,5019444.682150,3554916.004376,1],    "boundingVolume": {    "region": [1.890518,0.594887,1.890680,0.595153,0.000000,14.010678]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/12_1457730.b3dm"}}}