{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "304889",
    "entityType": "User",
    "nonce": "0xc2835ed8750fbf010b0e4874affe567a8465a273e63c69350a616b1a73b1baea",
    "signature": "0xb06fbbdcc2bacf3024c9f68269d269b1a567ee17ae7e476c6ee02027e5b8482867764a6206e411e91bcf222626816b5f3f3c0796b795f552b4659b7d080f305c1b",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}