Transaction not yet indexed

52He2TjZBa2aQeJqVfSdvzB16ACFbbCLMJjFdKd6CSjM8JZKXUfSBemQVPQXT8UGpy4PqHhpuSvPdtUp8YscNLLW

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