Transaction not yet indexed

aMpZMJS9Qy6eFzwWqw9oim9iW4YncZkAL4xo1ZQ4NLxtjbcD14qhdPVpFBPFUCUHmmNTShdx5CstzEkHFNeS81u

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