Transaction not yet indexed

66CUsW5ZgD78a3BzjU8TpCpAzM1GcWzhUNi6ssW2VHnpfBvuLP5PH8zKkARE2i2D14qRYrNuhuiUNxTkVpvZtf4n

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