{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x648aff8b6afeb2ae5eb1667584942673e5871a8f6cf8f2263accd11e6900c06c",
    "signature": "0xf27df8476b4720a78ef397f1bff193bf4174024659efa5534712004e031ce57477a1e698173fe217200b6dec2cfb9749618909a823062c33495bb414fdb78e9b1c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}