{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xd9e610215817727a9f2dbc2892c1af11638c22e47d0631bedfadfbbb4fe63bcf",
    "signature": "0x0a0911fb69cc3d0c53e7556bcc76f9a8ac9f133996c6b0d9a1f06b17fd58a28145d1ccbdc09cf240cf558add06f4b7d9802408c3bbe83e6574c210e517c4f9d81c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}