Transaction not yet indexed

4k21feS1kkeLiiPcL5vsZiaPsHw8bsjx1F5MxWkTC4TCffK6DQZyppQfevYDRsxrtHVPSqPvLWxdmnC9mLGMkEEd

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