Transaction not yet indexed

5ngRk2GUdjUYzc41NSFXv3YWvjnuRrsNBoSbrwc3xMd2QRBf7MDPzLNLeAF8mFMgNM6v9LCRGQCjhoU5EhFmp51R

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