Transaction not yet indexed

21FCKTMPrqNpgYUadEG5XBAMze6rYYTsU8aKyvowwvcRJBLLUh4eqEnXWdiyiZ6hVeZSCWJ78uerF7BdwCqqMYu4

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