{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295536126",
    "entityType": "User",
    "nonce": "0x5a557b0e02dd4d563da64981e8df970140031dc77b60a05e666a356061678842",
    "signature": "0x332a480a4cb1b7641c28bee8eb66bb04275ae6b08e0ba3fd03040fa3f92253ed7e161ff5fc7212802c14951f57b10d17568fc8c09a5d53c2826172ac5fd916651b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}