{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xbdb5ce36c0b043551e121eb521baec2e690d8a4a8c22f0e30b506f1a51104080",
    "signature": "0x5f4ed7b14459a11d3d24b409f47b075fce66d53469006d3f5a003868f8730f1118450ccb20741ceaa6610406f90db7dcc4f07bf7073fa4eaa56ae7e9a235f5d41c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}