Transaction not yet indexed

AM7StzwSEH3b4HwQ7hM9ZkKhTXtgbggMDonsYneEDASUD7YYAu48jhMPTCdH2NpXKXftV4Fyk6MrdJFCM6J9aG9

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