Transaction not yet indexed

51E5SWtr2fMY5YZWVcJBHWdQHisH4NcJbFECnX6XBH4wPn9syFC5Y1MgqW4AS5doVWSHmhBU2UdDABZYT4kj2PRU

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