{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x6d1580c00596b140ecbbe4624c0c4fbbe250454a2e4c2521f0fed3e017b51419",
    "signature": "0x32d4ddeb353397ce1a2cddf548c6fc2c243b2b601bdf08b26d829e52cd5b62a02f30a7336b0820b7aa3e6df4e06355867a580a6de6a53514abc7ecc0581264591c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}