{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "344",
    "entityType": "User",
    "nonce": "0xd1495b4738eb59e50c3a713bd644b6b7bb0154e845dd35d7758a23d385ef0e28",
    "signature": "0x278f2a1eb92ccbdd5a98df2330a3a5108b45f98586d57b8d2cd476e209008c9d498c0ec30d8ee475fe24cfec349682c6663f572cb6bd93028a92a4d686e2ea581b",
    "signer": "0xdAe27B20BF3639989Bd99E76811FEF26BEa4Cc49",
    "userId": "176556"
  }
}