Transaction not yet indexed

Amw3tfQbVZAMUeF7HQaZ4J3e66DzZWc9HAAsCAdGASyu6trMKJjUjpNRitd5SH8Tmpyvr6DYtB59vBw4C4565BC

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