Transaction not yet indexed

MkS4GWChb5W5b5EAMeEHxYvErbQDQBV2r2BEBotM4iQuP5kwgybeEg2uDox8NBnfMQ8Unp9Js3XZttzzJoZV4D6

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