Transaction not yet indexed

nkRE721nCodQbrwy9Hozi6yj4DaU52fRXbr8NFqeSyeTbfmn5f8zVF2eLhdSc3H7n6mdL3QsJH52GrinE8xHLL1

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