Transaction not yet indexed

Am8ZxTAERYJXoB6dtemBS5jUgB9wpLXSQKSETWy7rX25BBCFSF5c28uVcdhUDNYCKrwSpS4JHFsujod1eFnoTZS

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