Transaction not yet indexed

SDKAcJkBuwfd7EWj8jShfrrXww9TpnNoBE7fuPBhGS8J79jNEF8KVTkrAv7HG7jUpUhJAeQn9P5VkwCZfxMKXuQ

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