Transaction not yet indexed

53o6TacJqieyQaGmpebPWGL9rKuMmSwtDQ4ZNjMnD4BiDFjqtzLijtHJWzUQ6rTKuPhkCU72eMPLVhzUJSDv22vo

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