{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xa38132ffdfb824ebd767a316080c0f27d7ba45e0929ad76f961cd758dff90eef",
    "signature": "0xbc084d887982e7abecfbed07b73e182c299d092c0f7d08e116d67c90e2d279645992518bd82fd3c41362a49e0861645fa7e19c2a0e81a0de1e366c8c873fc0b61c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}