{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "329545",
    "entityType": "User",
    "nonce": "0x0607c342c1d628a00af3606204e65a767b80e68b987fae5f1997e79b9da94d4a",
    "signature": "0x31c88e72d255b67cc243a9a88c5e4f81871e750f4d6fa735e45e4fe42948860c457e7c3d3d54f45d0f6e5cc6b388d8ce8e801cd357cf4ce85564d6a7f71002511b",
    "signer": "0x6b773d34141EA127915Cf48D97942324dE5E2c24",
    "userId": "28782"
  }
}