Transaction not yet indexed

53NUKcqA9UY5eQAMRU9vKit3D2C9KsF2kMkTbbnrDgrop34LoFW7iztSAZs3yDuY7v7sg7rqE74SJxQXXBWNunRs

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