{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x85cb3c4de6fb17358daeb4018fedb5beec61f74ac156ae0dbbd1e19f861af65f",
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}