{
  "manageEntity": {
    "action": "View",
    "entityId": "421",
    "entityType": "Notification",
    "nonce": "0xe7b7ad1064b8dd685e2cf64096adc0cb264d480682e246139f642c382a8dc0d6",
    "signature": "0xcc01815969bc62c179a4d21da2dc7cd35f6a0cf28752c33ee03bf040c70196b918d0357bb16d365ff645bdd0432ade4145fc8afa2b89fbd73eb5a9ad668dfaf61c",
    "signer": "0x36E2F0a66390C33b33d0Eb2b947Bd525c17b76Ee",
    "userId": "421"
  }
}