{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x771defeb4c2136c104dca62ad06d558c01968ff83c52150bab4ad0827f25cc67",
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}