{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "145209",
    "entityType": "User",
    "nonce": "0x504b617f19ad5f1e254d531f168c5191ff40827ecff61908ae54934130161ea3",
    "signature": "0xcf32c1a53a0c5ce06fc777415eeb28d448a3405213cadf272d43cd242d0f98031215ab53811c59f60e2e55f7601c139eb93fa1efde3898b08ede05d544c9ead01b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}