Transaction not yet indexed

1AMv6CWYHEWdb15Vs7LQSSNkr9UrqadTRTdTyy7nvjRx8hce4G8auAPnx25tEK2kfgVEm5sQyaRtM2MM5RpEjcs

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