{
  "manageEntity": {
    "action": "Save",
    "entityId": "22529891",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x229af12eac6f5ac302cf71b2f23bb9420c0edfb700cdc5bb9eb34858f1646ea7",
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    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
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}