Transaction not yet indexed

MTx5RKb5MB9aSXhq4mtxKDBN7SzKk8vhvXQ6zqtHQ3sTEZrYRFDXMSEPFSmJPHGAHRvmao7jcSSKHkPRYVwPtSY

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