{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68784",
    "entityType": "User",
    "nonce": "0xfce87723792fae72bced2c0f2805970768f7890f464e41e49ccd2df315c7c4ba",
    "signature": "0xf579610a939d5cf6f8f36bd83bab175eb882e0e8e48a6bf32cee24315955f0fb22ea1a3bfb655c21063b4fbcf3337816c0fdc7a61580dd0af9b4f493b69040071b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}