Transaction not yet indexed

21mfKLL3EXuQfCD9RqVH7VdfBckcLk8YnXKMG45p13a4LWLZRMNRSFG9pF5FjUpYmzCdWuLyAGhUsD2SL7LXZ8B7

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