{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x513d55bb8badb5c1c45520e231a4e45e0dd758682997d663b4876a2712a6565e",
    "signature": "0x1b83eb1be670634306572f33258dae50c81afbc2c423bb44104181fc4f9d542e1322aedcbeb01ddac0343a2e721221e6695d5bd668847c3aee16a60d87cafde81c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}