Transaction not yet indexed

a1mpQwU36YL8b979Twumu7DC7cvj9EAYEYcmzSWGUfbMoNrmXZfcxhJc7CUFe1ncFcrwoutkp9NKKm9b4m9eMHK

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