Transaction not yet indexed

21d4w8CboKHTWbLWas5H5H5bS1Hi7VF16To6mbTXMfbcQFR5Y5JaLgYNAXV3NZqRcqSMDsvdWzYdQAySLjYiLUZL

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