Transaction not yet indexed

AmPWBdpw5KFxaoMziEhAQAWZyZfPRyA4k84e48HYsQxvsEh6LdgaRp3gj9FcuqKKfyaDoN3jU2rFhENEWb7o4Ta

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