{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x2b8d8cce91ed028995e77ff3c6008ff40e724cff833b14158ea1990a4a683509",
    "signature": "0x3b0d6528bc31e6d5db0132e97ffdf784a861bc432740fa4ba5ceb3c4d96a4947667267b37435258f49ba22a80cc702b3d12653fb4f75f5a99fc6c28d8b72a5551b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}