{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdeee8d1eb74df731a3a26051ce7d62c9e01ceac37e2761b605221aab303356e3",
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}