{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xd1cda37c432ba87a4b8670658dc5005e799ae278a71348fa1e25f3c0068bbd60",
    "signature": "0xc06f27c47f79c721761ad286988ca2302a6b3cf6f76fea961a074f4f38d644b45127933e6916915efda00766366d3f9e6493d3f23058752ceba2c27b71b1dcfd1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}