Transaction not yet indexed

21SU5fKgxijj2Jw7BHZR45pJD8hR7Gxk3xtS4QG3EM3MNBaPJ78h4THexD439xFhcxp8KFKL2swRiCY5k8a3BEMV

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