{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1ad18faf598e581a65fd4c8cc20b0dd425f4603ac6ba0e44cff6ffea5097a28a",
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}