{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x8b92f7efeeb85d96921887cec1b74cadfdd6f0424f4ae0ad4052238ede6224dd",
    "signature": "0xb3fbe6512a6f89e1a468855a052bbdd64e46c83111b9097e367b2b0f7221a1734f21454412fcb520fd4f610f824e6bf9829f498aafecdfe7968feecf8d89f7581c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}