Transaction not yet indexed

5b1CSpUhBJZnegr7uddEGv1TLoTj63wSimDkWfrwRpHqTXoTcF9VEBUP3frST8fwXmdPf3zoYAAXa3f21XuZ6hRn

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