{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "2154",
    "entityType": "User",
    "nonce": "0xb2db0f7b99ef1bd7989fc1c37e743c9a0a345a3900e7a62a992de69e5440738d",
    "signature": "0x7c91fcce43609df12fd750d7d7d924d244d21cf0d61b38d71c2bdb0be9df334d70d30448d978247229434a89e5a2a3251e5f47ddca00da49b4e3fa5b78a3afb61c",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}