{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "323199",
    "entityType": "User",
    "nonce": "0x680777e3d6eb7b59ac5eabfd07c8ecd781e8c6ceace0e4bb3005d5ea70e5d878",
    "signature": "0xa4eeb8e3cdada4b1a082034edff4fdbbb1089849e4e9f56b2deffcfe6a2779f11d7dc7d6bd15cd20e1828f252a775ec29262542b7a1fc838c5fdc05c711f1f431c",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}