Transaction not yet indexed

121fFfcFY7fDjWYxuu7h5r9Ay3Ji2vBYayvBthw6HtxpmCSbPqG521Sw5RwbDaJ353cXLZQLkCNXSB1FbSDLF9X2

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