Transaction not yet indexed

21CPbC16dxNdxri277RNjg5xYXUBmtcw64n5n28LKvRtLGyUWfZ8kkFMjNe5x23oSPvkbn3NbcsjYBVtbLoFmxv8

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