Transaction not yet indexed

AMcA7mxN1zctapwXyeeGohaLSYaVwyRdDpE7feDR2Ksqu2hPaGeAXstnxvkYg6u3abX6GmVwkKfkC6SfMvfbVhs

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