Transaction not yet indexed

53SfKd9CKyiHTqswx6du91Ji9vcYqrVbzJcmcuYfSibAGwf6p5P4ZijmsRBb6B3RdJUMhoP6YS9EVBrk31iwgPfu

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