{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9ec1ba8e81933d941fb45d83e0ace65a236537c3ffbcb9b251faf797aa33a833",
    "signature": "0x79c889a9a4e9fd5672c418673e634e7901d17c238325b614aabeabe5a8958b372c16613253403b4452607b01412b28046ad16a9679c8a4eec54fe678dac6d50c1b",
    "signer": "0x9ae23AcE6b02fCA07a8016f642A82bEb698C77E8",
    "userId": "812178189"
  }
}