Transaction not yet indexed

MRuMKKP5q9Qb2g2FQM9RS8zwaKwsrS4S1WpLKmDQhPwmpH5uf5YA6MdXEwrrBoV6wEpWvk8RAPJB4upLwfuZ71q

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