{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x090c699b4129e8af0629bc185a5517aad10fb55392ed901a44a52acb28e4d528",
    "signature": "0x698540d1ea2a34ad21b4f5a04866caabad16a86a72898dad012814abb4ae886965fc0478c1a77b6cb90375a92760f5ec32faf88ffa87ed6ea44f5b7d572dab0a1b",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}