{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xb44f0359354422518c4395eeebaa7721af3b1ab29e312469e36e63b3f2cc631d",
    "signature": "0xa0c01cd0e4a6ee9da4e04e0820c25a32fa22ab6abbc8dc8a1f962e71a55f09601133dac08278d4cef28d177801c129ba548a028d3e9cafc8594a0d78c6547c1e1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}