Transaction not yet indexed

21Cpu5ytLzFuQGPdKsaWF9HDsXiG4Sydq6NzRSc3yCPB1AG3JLUmcwqT5sqKhJLq36uGLLwdd5SiWf6dHTW51egd

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