Transaction not yet indexed

2E15NETbUffPDu8s1oDgBRU2LDjCRrYh9uccUBCZT4D1sS47ocn9LwaAFKumnq8yaXZqkzL4JZuC5W2xzAyK7ULc

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