Transaction not yet indexed

21TffgEMfgyZkth2Sx2Em4TdHEw3rTqnAcTdoSyWzFW8fSwvRRY5H6R33r5dxqGSRWRo3gtEQrBivS9zrDm75qB7

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