Transaction not yet indexed

51ffex7dBGC5SMJLZgRQpBKe7mV9s54m8itk9M7xtaX6rAPbWRoXPDAow4wfGM6V6HfFpuVDfGzz5UHKv4ZW5mUE

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