Transaction not yet indexed

21Lffzw9rJN9nVqBDXjx69EnLStQpBPXqpJK5UzoXfWdHpLvFDXfkTUXjUg7HEnjduRuJP5crb46iek4xgMnySn2

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