{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc51f56c38d7b2a22fe73bf5346ada094f39d68ba2f844fb0e38572134a0ddb64",
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}