{
  "manageEntity": {
    "action": "Save",
    "entityId": "1014079056",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x539367ec7a79bfb2700cbb52044d09297c1a5cccb378e85dec8338fb6f4f6fe6",
    "signature": "0x33ea4e95ff10078b8c706a524fab5f2c71e391e884fe255b3ed8c46dde131b7043dbffc8bce1d1586f12d61f739d9fc28fbf1af2485ab67034f21f0c39addccf1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}