Transaction not yet indexed

21UnEnkSTmRwvpFwLXM86EoEXzp4XQ2LpdKPUpNCy6BhePyiubCmMfCowfMsZsm64Wcgn1dRcA1miHwmXwwaE6EG

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