{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x82d7cf019e307aa3e8a2823385ef39f597dc2d2234fde24df0b5b708a0b2c821",
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    "signer": "0xa76E94161B5aB18F804225D93D8dcAF60d2e7878",
    "userId": "622704108"
  }
}