Transaction not yet indexed

AMmKyJmfT6DcvyMQLDaZJB8EfuPmciWwbyqVFqEXNtWGZ5kVybeK8GxDN3XZphLrsHXUdyzGaRCGU7usKxjphCH

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