{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "275209",
    "entityType": "User",
    "nonce": "0x1c0510eaed3f82de56b70bce780c9a7823dd23994e05acdaa5d553c388f7d361",
    "signature": "0xb40ce5770cbcf4761d53494bfdce56a75eaf993bbdc09e1fa701b98fe318ec907b499d683e628f84508c0b0a878ae58a2379aaf370f7e0beba176434613c53e91c",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}