{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x404484aa14f9676cd4f828bf1cdcbea1b5d606558e8eb3742e6e19fdd95c00a7",
    "signature": "0x382c9e8cfec8e6af2f2709a399fb1ba4a1a3772a82a6746bf114ac3ee64587945e95396d7e2fa99a2bd356e4f5dd10cf0310f47a7a877dae5ef6477bb786825a1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}