{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xc73b4fa3cd5ba2e9a4801e20664784cd65f5ffe0be5a5c7250a7def85e630557",
    "signature": "0x861e829cc7e9a2e814a552e70a667f07ab9e7765dd8b9d2b78892ecaee0ddd051c414c11fa25d61fedc8fc3781eb0d85bf9e55e9f31692e0801ad5cd43b9ac1b1c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}