{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9690f625e755c567d42b162613f9953df357032459eb24e924cc07625d6d1593",
    "signature": "0x65882a878f2e752317b026b96e0e6b80dd94bb750e361964a55b27c18c7e94e86794c0a782fca9b511318fc91e6f7fe4e01084b0f462177e0ea9142b44f236f81b",
    "signer": "0x7A549D70816B0554b548A07441Be55Dece68d9c6",
    "userId": "480675405"
  }
}