{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x353ce0b94dcd9e85de2d56e892249e7eea2c333310de98d65f5f95f2a2147819",
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}