{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "320009",
    "entityType": "User",
    "nonce": "0x5d44f6d1713f45b189a801a78289efcf89406b78ab56b284daafa0cd172ad32f",
    "signature": "0x0f59a0e02db6338de3ad1cd222805fb1023f7fc333b678cad512ab5a4c7b59537356feb976d315509ff90e72acfeca8233fd4e8af04894f7a1dfc3014d7284961b",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}