Transaction not yet indexed

21JmmgfTDcnMML3e1tqNd7DPyL5kujCkSWgUgoMuC9ubyBqjLsUrjfXHq3XUZDDbxEePb3GCDj3YktY3PgzYjtzK

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