{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5ebde36af0812cf616e8f287d8d1f24089b8899f15c7b75741975bf663a90b23",
    "signature": "0xb5fee06ad0278fe1c0277f6cd99fb6757dd76a3e6128c74e175739ce293f3af3327baeb9bee46849e55da3142d43cd26b86724123edd2447bab91a96d7c1ef3f1b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}