Transaction not yet indexed

56DukoDLzfSLFco619Ak7srqVM31nSNQs3f6j9193TFMA9U57JqkbDaEm7KWWzqJZXKXv2ZXvtCA2caUbKjEz9G6

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