Transaction not yet indexed

21S5pyvuRGkuefKqZkdPBnKM4VkYQ7MyDeWtkNCycasCSnuSQie3HYYa9yghvW2NiW1nAvm2cJbdL5brq2Bh2qrA

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