Transaction not yet indexed

53LCKz4pznPb2mYKep5Hy2BzCQYFNmP4ftSc6wfAvQyJaqRL7VzCTNX1us7ki1BYdqAXf4YZBZHSQLqaL7V5kBUG

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