Transaction not yet indexed

52t45pAQaDfLDUp1TyKmsHA5TfFseSWxCCKBAaDwEXCjtUf6mPhRU3EVg5zmaWqAz3xqX8VbpHMCPMRbynDNC3P1

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