{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "294",
    "entityType": "User",
    "nonce": "0xc39e1c252e4ac21496206e21939796dd78a69a054cf2aa5d77e9d83e5b071f0c",
    "signature": "0xa673c1806c37e685c1b93ca47f777c1549826e961d968c21d27d7227f9186bfa4b225623d386c32e96f051a079a9c692df0965445743a90a4641e0fc638228a41c",
    "signer": "0x50Fa68E2236737fa15f471F72A9AD1Ea99870D8c",
    "userId": "336906"
  }
}