Transaction not yet indexed

421mqeWW754abAJFrNAKaStzAY5Qs7EhvKiQX3pMRSosh8QpT1vNwCFFt8dQtSWes3MsezWLLLKmvmZ1EfLoyMMo

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