Transaction not yet indexed

21m4usi3fTuAoYP1LEtwZDjLePAH2pQdA9CJayP21cNXHMTkFe1QPKBwioxYDYUow6Lg2AGbGcRD6kSk8MMoqe2u

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