{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175425",
    "entityType": "User",
    "nonce": "0x5810af5b64b221551e899d52a634e08e1d10271a9468b1d23b01bb095166cc07",
    "signature": "0xf911394c1de6c4dac90ee01c6f02125b8d6ed211cf87273468a493383273176b510cb1dcb44f75cde69a7d7bab28c30e165f9f196c00e980f5ba37e196879c1b1c",
    "signer": "0xe193cf7Cee171594a10dE7066Dcb521fCa826762",
    "userId": "140827"
  }
}