{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "120749",
    "entityType": "User",
    "nonce": "0x728b32c36475fccc8ff25ff779c8e88405eb46fc5ea0b1a4ffd382ee7f0b2ce2",
    "signature": "0x99cf8754df07721bbbccf6ab736c5bfbd92eafcd245651bae9316dca291f20ae062198500b1dba60153b47f855f3ddff7ea57f0245a0ec7adb12407b92ab6ac51b",
    "signer": "0x0387130B850ded16cD99dd16ca2060EC33FAc85A",
    "userId": "340102"
  }
}