Transaction not yet indexed

AMb4EGodZvjLQACdYREivm74uiLMt982wF952L3roaKqNbD1txdVwSZ49d2hMu6RJNTgV5kXTfQ6RPNRrNgpfoR

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