Transaction not yet indexed

21SZsd5NsSJTaaJVjVYu9161VLfw7TveuLTdY77RM6KfLEHN28ikm1dWBFWGxTtgbGhtiAFU4eHZYnuXEhsizBnw

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