{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "331839",
    "entityType": "User",
    "nonce": "0x3e7bf4ffaf746e3d1e375dee8f8d66c6c314b70947ad1dfafb4901595993e5c9",
    "signature": "0x341017e60795c6a4c7cd1ad87ea04cf45ac78d521f39e1271732b088437b732b3ff8e2a012feff853d8dd37e39fe3d6e303b2f796d328a181dbfc87079fabd491b",
    "signer": "0x50Fa68E2236737fa15f471F72A9AD1Ea99870D8c",
    "userId": "336906"
  }
}