{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xe7a9a4fd3b6fe6d648b45cda83705c43f671fcfa9bffeff06a7027e0923f877b",
    "signature": "0x02697f6a80ceec245d7ff23fd05c693b6c719da194974ab4ba82277d3221a0694f2972695acfd0b738ca10bff8e467e2d89aebd004a7cda0f536e2bb5c09e48c1b",
    "signer": "0x4Aa8154A33F33394BA8De574d71aC98Ba6A47D5a",
    "userId": "645720561"
  }
}