Transaction not yet indexed

21vn6aXnKFdSSxRgGbV47UtPAAM7DiKSD8KGT2ZT5VcPRc8GkDS7brGaDHKpfKUgCZgyX4fnXX43gRNeM9Zc93L7

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