Transaction not yet indexed

i21ECDKpijuvErU4sL56t9Ts3fTAib21MmDZSfN3M132j5sTtR7nb6iTC5PwkRAzgfSn4U3AEfxPfJn1K2vhWnM

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