Transaction not yet indexed

28Phfdn4vhuVyjii3vYSoNdsa5aecbk4FEvfVhCUf5ytXnqc9ga6dBrChM3z2PyBwwHmryUJ5owh6VkCLBBdtwJQ

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