Transaction not yet indexed

1zXAMdMzNbTAwqrfWm7GqsSaFd57tr9GoR4ccZNadtPtNjo2mrDKNdBAgNfWdK8sgM7f6PGBY7zSiPbdJBJMMt2

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