{
  "manageEntity": {
    "action": "Save",
    "entityId": "92522579",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9ce5860ef95336a6913d9d809f1c208287ab34387697b16278142ed2b1eaabf9",
    "signature": "0x593ef66eee3854b12a7a4dad5c8c1e9a33d52e8b6ec171272e70e4141c412bf921e86a7d4f7a99d1d855f43d7c7d74c5f4c9a95ccf3e243b5948df5ca8c1fddf1b",
    "signer": "0xf6378ee1560A5Db91FdfCBB98dBDE43790d42e7F",
    "userId": "36620506"
  }
}