{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12171",
    "entityType": "User",
    "nonce": "0x0cae4b1d86782cd00689caee0caa7e334bfbade5be0252198509b330763ed4ff",
    "signature": "0x4136499eb6875a7b74b5410889800e9b72a47944246e89421e702ec56f8ffe481efeb7889a5af1678a6ab121f5dd23f812ed7b587481946ed2f6afb8263ce65e1c",
    "signer": "0x614BcEFdeA9FF4B3C32C2C1feF32af25602D1d43",
    "userId": "755335661"
  }
}