Transaction not yet indexed

mRKSyQp3owGpYFhbvdJszbRyKA5LUbbHHUvusXz9oU3ZEVLWY1PaL9Ess5BgzNhqTZRAB79ooKqnPLvw4fmsqAm

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