{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "5519",
    "entityType": "User",
    "nonce": "0x0b8332374c8c4b0a6e265636e2ff5bcead70d8e06b824f042d02b94cb83816f7",
    "signature": "0x1f57f31a77b79dc997e4d23f04141fdf9ad5126860a63be62ce86aca552d525a384443dbbe9bf5aa73454e4d037624c707afe293d2022a3223155fba6b5011731c",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}