Transaction not yet indexed

64X21CcFAQpF8j3TA34zoFS4J8ybM3Ts6pinXSK2bUTqdXwR35xttCqxnMnS3Dh54Vs2v6YMftXpzMypnwfGS1VY

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