Transaction not yet indexed

5so21NuuJtBRrVkm8vASi5DdVo6wS3YRm11VfPj955SWzbZaeN5DTVjnB3JMyRDAYQ2xt8XFv21hSesDk8xKH4s4

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