Transaction not yet indexed

mUb6xNmBkvNrYZYzuaTHyfLfNbaAUDoNVLDuhH2j6HHmPHhiCDDXUJJdaLV8j3UPsyLsMMaLBQjpSsiMjw615qA

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.