Transaction not yet indexed

Am8XHGJ6reAPgWUezvCAisR2chSmq66MxXz4b2ckCvwQL2cQZEoWC54R9LjEfGgmkrHGotLNvH6pdzi5UnxE8Cp

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