Transaction not yet indexed

Ri53mvBVaW1kxd51yVUSzeH8KFncwFNCaYdFNUWXGJzHbo9tApHT9G3Ptxk1XUG91n7cgMS8TJZJmo9ZdYvi7r6

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