Transaction not yet indexed

4ECMbQc2ouLGQ8hXTUHjRiUmAotcececBpR85YJgMmasJbrBzMNNqRXEcbBtDj7WxC3vAEKZqxCCsuXvYo7odUc8

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