obfuscate true creating problem with decryption of messages

**Describe the bug**
Creating Signed build with obfuscate value true, Message is Going to the receiver but not get decrypted showing "waiting for the message this may take a while" .

postprocessing {
removeUnusedCode true
removeUnusedResources true
obfuscate true
optimizeCode true
proguardFiles 'proguard-rules.pro'
}