Transaction not yet indexed

ZAMKTc74G6vRGkSFbr2tjnidS2wuPE5zvGwF5VyofwVAFYRfsJTa5XvdXsRQknrYq3dhzbtpyK5FyGSNeMPC9CS

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