Transaction not yet indexed

21m4pYmrssr6P4vtq1CGzpY1KNZrqR2dnAwDcmdiLsUGGSntHsNXbck7DMVjAgcK11efgooHiXNW7Jfw8jUJNsDD

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