{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14383",
    "entityType": "User",
    "nonce": "0x83bf1ce132ba6bfef31217a2c1394c766241724a060c4fe275d076866db633cb",
    "signature": "0x0256307165e7ee0cc9a70f3ab7aaa064a6bcd42a669a108b4b2851d06a05d67352144d9330dafe77bf9ad3d5b817114f438be026f345b70161d1a5bf007554231c",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}