{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xd8d9fe9e96befd0a3154a2d79f02f5c7ff51a7e22d8a30e02aa264692b235e1a",
    "signature": "0xa313504f111b5366facc883e475a944ee7b5d1836bcc28876fce5162c8e69091202c1f47fbd958f9b4ca8f34a00ba20f901bba486bbaf48b5eb09eec561143081c",
    "signer": "0x50B46Cf84b5D69931E6fC23814e8701869B69F8D",
    "userId": "820977663"
  }
}