Transaction not yet indexed

321SbRXRv9s2g5VJBe1vnjjJpXNK2Qcxh9MBx4AwQEC4UWS4teUpChv2qnSfmPcWa3gHxfUrL5qpUTfYLrbCGoM8

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