Transaction not yet indexed

3x12k21YcebSjjJFnc2TmgrMTvoLCWrZMH2iT2Tdnt6sYnP1rtttJgqrd2JUTpKDVVBUpmisQe9mZVrQxW1hMdGm

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