Transaction not yet indexed

52b77gFB5m5UQ53hXUmXdFdkLqR4E6CaaGfakQJjimmvwRPWsZ6z6SMfWKCme6QxCxeNe5mNQHweVGXZu4SURPhK

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