{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "605067669",
    "entityType": "User",
    "nonce": "0x1598bf796c0be9bc5030bc1b806afc4bde7677f410de6ec1fd10a0406fadcede",
    "signature": "0x9af2bd1675e5002ad52d47acce29b414100274933e8c566aaab15ca38e97d88e0183541d94c890dc70ab6bdde276ac0d30ee3fe3649f10e26c7d18462e2dbd281b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}