Transaction not yet indexed

21MgXnuBXBVjUqp4Mzp43FZ8eE2gppfDxaUcDxtCxzRT874L8km2AAMbeUwTyKZjKxPfyonHWqm3SDDMvEG6MHn2

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