{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1343e0562d99c6e19911c5e6b419775b2a295f9397c4b3104825664611a3ba9a",
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}