{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc24b0b4357e6322251f14f6e1fdf32ebb5be51c0f90f20cc1e1e723ae66d339d",
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}