Transaction not yet indexed

4E21gMcosjuW52TGp8vZGd5SpApQ3LH2ky7nCj9Pwt5uv3n9qPWS4Rqob1DWbfjT1jxGXp1JZxRtKGfHJmr3bcaE

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