Transaction not yet indexed

21UnmA2qMAk2sACJTWs8EexkYMNmmCwqvi25Pj3T85TPTYixfAPRTh5umvSM5CtdL4NkLfpEZqGdzUu7FLAzo9fi

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