Transaction not yet indexed

SMamE7SfaRakPLRMRw6MLGXVDuGMncMgt7mERjgh5SsTJD78YoPyibhLCJ6RNJp3XuDyrKiNTrFJGoQFKxjLhqH

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