{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x7dd0f9354ca3fddb2d491a7f446803f75cb469aa5730d655c1fc349a94a2686c",
    "signature": "0xc207e3cbb32a5a9f87e141020f2d2df48befc4ccad755435df4b51b4413e0f206b0f44fecba34a76ddc0217fed145a047d7a2f13d3d56b8bef03c0652969d0df1b",
    "signer": "0x63f357A64EB56f8303e4C9Ef9B8f6328366e84d0",
    "userId": "239137724"
  }
}