Transaction not yet indexed

Am8dPPkV8MMTfvCpgaUGPdSSxCDCguuBizhPvgjdrZCSg7aPrwRZQhEnhb14n3SvMS5A77WCHRsXk8wnYdfamer

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