{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb8938a506abc6e3a0668d13a3a2d9c3b2118c92126f2f509d4c0ea1eb0b52bfe",
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}