Transaction not yet indexed

121SzBc6jaaY4mYAWgCbmSy997V98G6xyfx2bhf2xvWSwAvPPsoJSRWWsvXBDP4Lst2rfbqxJPUg1qVYiNFigFDh

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