Signs a token update datum in the mempool using additional _POA_ certificates.
`Command syntax:`
```actionscript
token_update_sign
-net <net_name>
-chain <chain_name>
-datum <datum_hash>
-certs <certs_list>
```
`Options:`
```actionscript
-net - name of the Cellframe Network. The list of networks can be found in the <Config_dir> \ etc \ network folder or received by The Cellframe-Node-CLI using command - net list
-chain - name of the chain where token was declared
-datum - hash of the datum with token declaration
-certs - list of previous certificates used to sign token updating
```
### CLI Example
`Command:`
```actionscript
cellframe-node-cli token_update_sign
-net foobar
-chain main
-datum 0x8F581F2B53062ADF150D34EF3DA0224DA11FA6AFB7D9964A520F60449483DC69
-certs foobar.root.pvt.0
```
`Response:`
```actionscript
datum 0x81D0480E5D1EBAC11189AC1E7407DDEF5F2F4ED4596D3D2EB40A53C4DCA85EA5 is replacing the 0x8F581F2B53062ADF150D34EF3DA0224DA11FA6AFB7D9964A520F60449483DC69 in datum pool
```
### JSON-RPC Example
![[JSON-RPC Request - TOKEN UPDATE SIGN]]