{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x55ae7d2c00a1a8a43f0948bef068dc8ffae6f8d1e6f7a2f89911c603932c4b81",
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}