Transaction not yet indexed

AmGPpj4NdwdHdDorBbLQohtPPNfp9Vgb7i2NcWv8xM9YxtoBSPDjCX7J5sPBbyfxaSmWkVjgwupvUo7vbgAi3iZ

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