{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1332158",
    "entityType": "User",
    "nonce": "0x6953530b150a5351ea228a6135211afc4a188f71446b693dea980e93bfc86907",
    "signature": "0x1e1290b2fc75b1283b12a445c22520d579f1742b25e36bc0b993741a6f42ce64639a307fbc85b998c99e9232b412ed409c8c3417d73cb79cd64763dfcad4ae861b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}