Transaction not yet indexed

421pa6pnECxNhmCEQjALnJ7DdbZmDJfPebDaJsnzDCTqQq7kSUAzLo51fdCE2RnGTDEy4RVn5eHFrR1sBSt373oV

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