Transaction not yet indexed

21f6SfWTmjwfvGvL7Z4i5koibzStWUJASP4hUYh7uH84bZRfvjPYLZyMaAdx1GGuftBoA6x8s8gc1ubqYzkJ1sQN

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