Transaction not yet indexed

121mgmGoT7yQU9LSJtamo5TLqC3f3VD2YCext3Z5cxUbGDWF7LPN5U1kYXiSrDXg5HvPBwqexEaFQU44MvdWisP8

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