Transaction not yet indexed

21SdztLiwsJ68hcgmXRw9D9ZAerAKBN5Ftb97LjjFt1DdiKt4V4wwzLSwk7xcqqVQuwriLjeBt2LAUfZvtHL7ALP

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