{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4d2e20a905d07ee0b692201f8496dc704f2f3992af1273fdb5735540b195ae01",
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}