Transaction not yet indexed

AmAJ1cJEV8mLEWSR8FXNE2CMtFztwZii2hW9PdN5apFHNbzUH2TcgB4txkpAsGAMPt8i38iHjhoAvXBU5vWVmmP

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