{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "284386003",
    "entityType": "User",
    "nonce": "0xb3e3be9fbe0e9484c3063effc0d4fa60cd7a167da4bfb6080ef2700d0b14a7e9",
    "signature": "0xbc912dba2e93804711f7fd88e1b8c2efc397aed2b2f1502513213663fe16020265f02fd6c0e85d98c240a06a4fbf8efa89a4f6fef09e80e34832215d4169a57c1c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}