Transaction not yet indexed

21M6Ssa4ishAeaFtaFRDtUdSDUVqUr3wFZDW87LFTWEAgp2aYfxkXgo9Dxa3TobHRunUrfZaxX8kKfJW3aCvhTp7

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