{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x792b8a2cde0fcd0c0525a87876037d3813e05a9d8c8f5b0473e866f245a73887",
    "signature": "0x174b7e9fa313bfe48ab70c425b1a56f166111f95aba19899a54bf403dc60701015b80b3cb0af5ff59ea03bdff42e70e79ae23030ae309850d0f373670f18ce111b",
    "signer": "0x198BF1D951031af86d9F9C2d9Eb2b929fE59D7d6",
    "userId": "608204608"
  }
}