Transaction not yet indexed

21CbmHznnQJGCJ2opG71KZkz8WQ7jKEC4TAyscZ51WAHEFnJ3R3S2Y6FmcTkuacQgSdLVNQFQeCY1D3UNxdoiLL6

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