{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "305916",
    "entityType": "User",
    "nonce": "0x4b7f49ddab7ac32000cb72758484e48373f933191029431c9bd5db68eedb4102",
    "signature": "0x47cddbb8082bec89864cd0c0f325cf0c4d7ea596c68cdb8da4ee72bb442f3f276b1d9df28cc620f7ff9de9a5601b1b5fb8294facd242ca7e882656088d1039ae1c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}