{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xd021566150bd281dac07d8aacc2e6bb6a43b156f57d0260de2ffa0750220c484",
    "signature": "0x73e72131e34fd8cbbbf87b1ef8abede32b49e8f7b470b43386e0c3dde2b1bcac73807ae37203cfb3ec61b95087789c8421a6443d04cac1102722d9553c4027a21c",
    "signer": "0x4A5A63c11Be31C44BA4CDeE2481610cA9A9453E3",
    "userId": "160673811"
  }
}