Transaction not yet indexed

Mug5fLPRydTxFLYjDaEnbPnQ7ER7LvDwQd9KJazYBMZAgqWnpCMDoP7c6mDHyka1mzRb6PqkmSVfXiMe3KiiRsX

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