Transaction not yet indexed

421cr8Z294e1TVEHUnuS4mJa15QFeFfBv9MbUx8cBmyenE84Rrx6cdiqwv4oAvysXda3WbPwWCTphK1x8kfMePNa

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