{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x850d6cc279bb974f6b93a6911cc9a35a3ecc71fec8b6cff1b5bf9c38a9666d07",
    "signature": "0xc679cce1ff2fee85d8fbcff15e9662f282f884481b987bdfe5fbae364d25bc1a3b1af69aea229032f9fe50f27014c129b0ccef6ecbc839570b679eff43bf46481c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}