Transaction not yet indexed

MemoeZ81ceK8e7aueVZF3vJsCvCbtWJnHFDsHa6N4ipur3QgrqP2B2tC6U5CjXXb4Hkxb3XVfQupH8mmrPwnb9E

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