{
  "manageEntity": {
    "action": "Save",
    "entityId": "1797385532",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2aff54b4232a99c129308eb094b8beff3d4452b9d851895613aa37bb6ebb527c",
    "signature": "0x1ad601f07c27c22b58f3ae2dd748f862af31e9cbb943020f719ed447deb6d2052a6316908e25a544a9e33b75c7487903c606131ca40f83879e1887c9b292626f1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}