{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120234",
    "entityType": "User",
    "nonce": "0xa3873652510833f2ef20546de5e5958fdaa8b2edfe5983d2ec7b3ec04300c596",
    "signature": "0xdb251b67158b8e3fb7f9893efdbaafa138b055674620f060816ce25ef0a51a7b202b0b8ec01c632588ef1bab7d0399e01e0243f1f28870f43af5918f923b2fcf1b",
    "signer": "0x546643B8F8164fB6dC42c93F65D31C17676Cd995",
    "userId": "305541868"
  }
}