{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x1605ebb5f778d3252d24275aa3a8f6ac13d842eebb932123c7fb0bc95aa2aab9",
    "signature": "0x79fc21b0a9e14bf70a2e520839fa5366d961d6b2f7f2232a15c29e2e0a38c4ca7a0782e7cdfff8300bac05ea8e08b140de8b236b1d0f5c5e70badca805e3dab81c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}