Transaction not yet indexed

21MkjU8kFTdKAC6WPw9S2nD5iFnXEkGfNVCmcvD5RKpbcXWmPLNZpXakRM9LzAnuNU7EMpTVSyDPEfDS1NPt9LuZ

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