{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "465531556",
    "entityType": "User",
    "nonce": "0x66df8090c4e6b397f4ba7be1f8c971ee80a7b52819bcf341833d65ea03e43035",
    "signature": "0xbcbf479f9d310617629cf777a47192a2f8681bf380245cca935c8d69904a0e9750ce7ae6b859a0d79c231294984c1e493bbc9a2c752c2811961af11ffca9da141b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}