{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x4d5bdbae6a2cc9b45bd179e2323e6f86b26e93daa4d0cd6fb72abfc489d7d5ea",
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    "signer": "0x9B872C29885f4a39B0706106A8f01F8154D0d8c8",
    "userId": "660577927"
  }
}