{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xab90c258b993071f1ec25856ea1ece2c5dcd40c3989e89dc7a1167cc0c6582b8",
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    "signer": "0xF9B644bb5d7485898881C9e02e17ba2A635ed179",
    "userId": "866715888"
  }
}