Transaction not yet indexed

21SnPfUXP4PRczJ6QE1YkNkn5pCjC3fs5EWDphw1cN2d7HnSQHKySD2GuryCEMvcNKnM6j6wDTLoSrUmtZsMYX5D

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