Transaction not yet indexed

5b21QiQBsDJXEBkud1p2rzXkvZc4bWjdKqSEDdPBYaB8MaaACSCWSbtAXPDRX78QUcw92tDjswcqJq3bRkAbXAGm

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