{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x7505d2783346ca1088a0a07dc79e498e9e65cac9fdb53e6534625e75a22d5362",
    "signature": "0xa5c08039873fc3a28f35ae7dd55591aa1a242605d068321b11a37b7aca30de8473c55884bb7f1fc4fcee5fcde3eea93e3ac08055255daf54319bec21b534ac971c",
    "signer": "0x15A0a536f48Ca082F3a891a1620152037566160b",
    "userId": "602323230"
  }
}