{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xe1294acf94b196a2c724b353fed326ae058af38e3f5574d79c206cacfdc6843c",
    "signature": "0xbaedeb4afeb7a3c41dd6b6b9d20220ee674c893625ac3b2a9800238a6c0cfcdf103026085bb03574bee51f25b7bc1ae3b0b767cd5af7b8706f91c341371038331c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}