{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76695",
    "entityType": "User",
    "nonce": "0xe208bd20c70e9355fdcaa7c18f34058d51ce1ed97bd880002732f996926661ba",
    "signature": "0x76459608ff64d07095aabbbe1e4c653cd38ed97a672eac6db8916f66e62cc43b1e007b51a79bd1ede5bf31b0b2a4d48b0b2664abb9e9ba7c36e099c0682cd5ce1b",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}