{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0xf276e7d371d24414b8d81116dbf4561ebba0297119b32188d04348794a1ee100",
    "signature": "0x0a519df7737a0ab9b3c8eb66d238f7019696c7174693e115bdeb62e8bd95a09f7ed5c6f1c19049e9516b478ed21556127c450cca7bbe06222bda44f8f449b9f91b",
    "signer": "0x1E05b344e405fBE00fbB8344b72Ae1F9458B802A",
    "userId": "353199189"
  }
}