{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xa4e4a85144013f29bc316cc4b3024e7895fa953a0a38a33894e824811a44a62c",
    "signature": "0x688770440714d5783625f6e6425aeb8952b1ee409b42e4f15c58b7f5345fb5095eca56bc1fee1e2e1f0a437e0a054f9c094916420c795d7e164e5bbc65ac6c5b1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}