Transaction not yet indexed

um21ymALHwtj2xHG7p6kKLk5AuZXjKfs1nE22P3XT1ZUQeRRGbNEecRfPdcD3t3r8UwCdRF8DoVdb43Q5DjE7Vo

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