{
  "manageEntity": {
    "action": "View",
    "entityId": "667809204",
    "entityType": "Notification",
    "nonce": "0xca11ea5f5ff3f00795932bbaaae5cda28a46774e5fa737fb289bfea22a91bcf4",
    "signature": "0xb5afc4e2b128d1c3bb657d170fcb089afc0b9bc4ad3d0949cb92e580b519aefb6c114a9c0f9d0c8442d38b6fe202278bdabdde0d4cfadb42fa5b0c9f93a712c01c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}