{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xddfc977884fdf0eb0723884490aa7ffbd953a387e30dc84fa7218241cc12063b",
    "signature": "0xb684cb021c4ae2ad918fb84a34ce7f266c12c44e3cc473818b2c7d5b5bcad7b969e377659987a4a59c2481d66e302d2a4c902e2df856fbc17cf07b2907a9cbde1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}