Transaction not yet indexed

51R9inJVw6oqdYTB9vHcXdEHLRpg3CTHyur2AAAsEXGbtxnRkK5QeQTyEVfocqXAt7KbVjfqecDcb8N6MKp7upv7

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