{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "298254136",
    "entityType": "Notification",
    "nonce": "0xa1e0e68cfbf35652514d5c6bad6928fe61ed7800699b6c9890ef02c08dbb820e",
    "signature": "0x15d80af49a04686f284ec379c97ef04f8264e8212b5924c79bdd8540b80687bb0b63ccbf1e8e107d321f4d6dec4d853eb91b6bcbfe8efc568ce7587f273e06641b",
    "signer": "0x1B2b9fB2f2469dfC9029e5e4348A8f1A277eb45E",
    "userId": "87879656"
  }
}