{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328915105",
    "entityType": "User",
    "nonce": "0x425387d6dff00e218847ecc6e621255d947cde423d7111c1631b371b0aa4ff63",
    "signature": "0x371a939d2a875cdf73296a1d31734bd88140c6a0719bd2f427df0f78fc7913d869361acf360eeb64b670e19a94aa33a7288c77b7e7c11be5e164bd5568d063d51b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}