Transaction not yet indexed

21Mg6nQ6V9oAMdZprQAURgmJqaAdxxdSv8CHXE44C1MzTT9hP4tXECAXa1J9mqxwuAhjDdSw7rnEF2N7Kc5Zvfd4

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