Transaction not yet indexed

21k2a15ZCtDUa8Ac2TUG8iz4ESTFf3VtpWNbr8PY8Vif32mPUigpvbvrXSxbLZwHL9RdvjstRRE5ddQuwQLvcv65

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