Transaction not yet indexed

MBKGcX1bZ3qPZLuXmxH169EAmHowmEEB1jBSn4q1Q2vAo7sHnC7uA1NrFTmpK2tgyyZcqqe5XESGcGqW8b7nJMq

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