Transaction not yet indexed

21bTfdbGyMgJbY8hAJhNy5XWzHvy15d2a8mBXjFEvRVqQm3BQfDB7VCBjoN3E8gv7r8FdQBFpgNhQGfzpVUBcoU1

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