{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x83cdf16b3abe30cac718839e8a23b168ef4b5fb5009b93c050d85d8ff2233a74",
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  }
}