{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x317e216a33f6685e24a2352d1c9388c41ca7dcdc1ea9f697eaaef03ea3dd9f99",
    "signature": "0xf8222a2578a298afaff402994f5daf3fc5c36d3aa5d2b29d01bc062fad5956de1a0d6b443a2d0eb0b4de0f81fba01b299bef0e369535e64192046c3f8b2d539a1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}