Transaction not yet indexed

21k6HGJS4uf6y4ErhXSQN2KQC9cKCS8bwyJoJPhAU5VbeSoPp7ngUAhVd4WXrhUEHfjzGCdPHtp3vvKzS5b6LS33

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