Transaction not yet indexed

AmnAcnJwgdLCh5NujPAWLg5LYmUTfj8nSbzvsCSMCLykS1zE4emUhtKSm8JG6W2Wq98ePokThGsE5XjzCHx3vCP

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