Transaction not yet indexed

Sou3LEUeBZshxVc6vxB5EbeA7uFuM4EFU4zcWiUpSDvSrGVPgxcP7CKugJZcLMZAg5gUTFdj9bp8VMiUWTzbpRY

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