Transaction not yet indexed

553bRE6XN6QwXsX7F1mUXWPPpr7NZoQbLseZqWoUSgWdxEv9PdrCjZarAidp1RU8s4V3RPxvEezPSRSYu7PppG71

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