Usage: account.decrypt(method, encryptedData, secret, encoding)
Description: Allow to decrypt an encrypted message

Parameters:

parameters	type	required	Description
method	String	yes	Enter a valid decrypt method (one of: ['aes'])
encryptedData	String	yes	An encrypted value
secret	String	yes	The secret used for encrypting the data in first place
encoding	['hex','utf8']	no (def: utf8)	The secret used for encrypting the data in first place

Returns : decoded value (string).

const decrypted = account.decrypt('aes','U2FsdGVkX18+7ixRbZ7DzC8P8X/4ewNHSp2R6pZDmsI=', 'secret')
console.log(decrypted);// coucou