{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x7e99e0a29b28f0b3371dbc675b0efa426fa542d9ca5a89d8216c32f0ca5f7015",
    "signature": "0x1707eff4b331cedb2611e38aa1f076c69822aed73b21e0b4e4bf6183c2b372ab5697ff8de41c2bb6017aefa633c6cb9c754efc0462702c0f797c0c48b4e882d31b",
    "signer": "0x849b8180f084363b37768C823c174C9786020A66",
    "userId": "817339612"
  }
}