Transaction not yet indexed

5CU21wTWaFx6a5bEnibg7NhrRhid1EB62mTnwQSpEMG7nbKdYsS8eWkV9b1rTKiU3VQHkjBo3nrMsdHaq28eYNnZ

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