{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1b92e48890b52a1b4f6aa8151491b3daab47f83ea9c9c8b79c1d4067bdde9064",
    "signature": "0xb6607066ab73a672e19964f8591ecb9802a52ca864ec87a2c3a9796111deb30653f270ede695c466066af3bfc81c05166c6c93b6dbbad6185f91d7b202ff92d01b",
    "signer": "0x26aD485ca53909a65Ab4b9144Edb58920b225e48",
    "userId": "977596208"
  }
}