{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0x7e1adeb86dc4ead80574735ff944ec5374d4f37233c8b4935e20c6c50fb82f93",
    "signature": "0x082ac7fadd79cd40a904929fee2c54771e7fc6bebe46b9c8e1b244980d4ec8f22e33c44e2e92791e75dddf06e78f8785e74cfc2707fb972c6fe459d6a90100b51b",
    "signer": "0x0A1576c1c1074FC75841d47BDeb7dce5eCe080FA",
    "userId": "181033681"
  }
}