{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2755dc0f2b0a1a2d2b57e842c945a6b7466f5bae5e56d43abf6cdb1e67668cca",
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}