{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0xa636eed9cbe563427cc770588bf8ead5247cbe97cc428474ff2e3cb4368a4c8e",
    "signature": "0x1a7a26ed750407b9da3c278b86771053162197d7b9fc9c240288a075f6e87305505ad83da3fab26a3df5bdb76b8da24bc706c9ad239fd863b0d8d489eb68e5ff1b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}