Transaction not yet indexed

21MayPzN8BMoJaTgxcdY5hTmRxagtHNWryqEajs6LMNLisxS1tff2zFb3ropVPwFkzNe2cSREAqG2rin5a7uj2mX

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