{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1ee1e4c8837640e768c58ef1afdc4941780b18552a2cc31df45446ce548042de",
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    "signer": "0xee60538C91785b28C36b54834B0f47A421E5d176",
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}