Transaction not yet indexed

ymMp8kDKZvH9ycMyjiiG4N88Rh1D45aCGCDRDZZvZqdZPmAdxDKq3SBTywtWj34KBFkAghGj8CrjD9Mpi7bGFA9

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