Transaction not yet indexed

55YFVfE58UgAJ6mxqj5EEnJHTZzgxFgbjEXKqLuf4H7kXwbuJMTds3fomgC67TdDFKcJYYZB1GbJ5GHcXUXL9k17

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