Transaction not yet indexed

21MMBmXZzTFt6n5yXkNZh1gWP3Yxp5WwyaDNePRwpfueJaxdBfLziLMT4gB13FXPgbyZTeLSLd7LpiR7Rsa7qEAm

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