Transaction not yet indexed

21HTSJhcBLW3QeX5X5RB1yiVmJ1HvJpFwtpZip3PHirvFdqCZwqgBy39LQwgGnAfNpLVsn5YnES3aSAAmBGhZfB6

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