{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x31548a02006b43a49f9a1bba0adfcbd7ba796f91e105e75a9e283da4c88554d2",
    "signature": "0x2c9a0ca1f98ff3bed4ec91a3137e081600325de441c21560aebae162870b247367bd8128ff04cdca17468539ab3557a3e647bb6ea846354ebb9f8fc20a7cfb591c",
    "signer": "0x2d605901F4DDd5De51e526E8E2ADF7aC0a19c248",
    "userId": "5352096"
  }
}