{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "768928502",
    "entityType": "User",
    "nonce": "0x1b4c572be311a31dd0586be43c35f53bcdf537f62eaf4993a3d605ebf190aff2",
    "signature": "0x552ae5260fd9b806ad140b7d285cdf2d2db191d4b71682feb0f7562337f73e9d135c243c62bb43c3ab585642963cf3c82c123b3878cf14dc761d73c6f0b7a0b11c",
    "signer": "0xdcA316065d735393515B0D1fFFc9864310d428a7",
    "userId": "703206524"
  }
}