Transaction not yet indexed

mUk6Rvhpt4j1NdzjtQiB3fYGdzFqLrSPK1fpJgF3sJnYTSgktV6QTLTmL8a2sRS1ZRQULKHM7KpgvkfjA8jYWDZ

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