Transaction not yet indexed

55nGKCqWW3LDARM8rGpg1823PMEpfrpqqKvdoKDfqm2kM7DY3HhSbfWxMhurLZ9sFffVwNM7zvTk8NqeFazUSS17

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