{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xf2f60a26572b80cbce6a9d2b16122b3edd4f26761f408597622963fef0b49f0b",
    "signature": "0x27a20b9ac9cd596522983fa4fd27bba2108c69bd411cc046f564e285414d4e9b6ef9cacffa71f8a393dbd0f3e3410da44a59f3e5024dafe039a01330f689307d1b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}