Transaction not yet indexed

621UpMDaJ2N29j4XJVCUbWvxfx1zu1RXeJ1bqCQmrv8kSBSooi8VhAkiNZKXXYH75a8TaMy94wCDUVv7sHprTGLY

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