Transaction not yet indexed

21MWcJwY588StJLxVDzExbHGbm8uqTzCeFPH4ejibxjjpWJL1unoeLMxckfWvPCxkXFbTFPgP4nsiGwARsBVdcTU

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