{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x6d182ebc78d070681f526ca003e6bc5045d793703b6155b6d6c595a1a5ec717b",
    "signature": "0xce8a59359f2ac9338fcb0bf82e324835133406f48c68789d7379d955fe8a8fb510ba51d96f88cb7bad1ad1c65a836ee8f83f86b71c8cdeafe9793e6a0bdb9bd81c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}