Transaction not yet indexed

5u3hMwejfQFLK1YPRwUGABQsgcBZeuoTZpkWMyEDqFjuWCHspLDnx1oNs1zQ6e3JpYx8zXrASsZHkwMHxDiVNLF4

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