Transaction not yet indexed

55U6ZiAkYoaLKGVk1XUyvqSdpNbCdHVWiamX4jbFkqnAvB4mF7NZ2LrZDgUUfx9TfzAt6fZ5Rh3B4P4WkZo4QAk6

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