Transaction not yet indexed

5b91FCPXqHy5JAvKxsntzgm9qf4PJvjz5REkYmE4Prck3YjPfC3MUUQ1o5SrsSo9UXs7sGi8hZotsyLCpDyHj6Uf

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