{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x00133539db14e0b34ea8b3b359f05b2026f91da5b63f1e5edc7698e9541f864f",
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}