Transaction not yet indexed

SYdn54AkKPFXuDMoYRNPTnbLRKMjJ182bfdXWm7tnbobAYw5J7KDLLxz6cv4smXNM3vyePthxwJHSHYeMkj6uE3

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