{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa5c93b7b5db9489dd6b3f5201ef4357894df3f7da15cdf7c8d411fe00d0e5d26",
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    "signer": "0xCf2eacf459f751e649a2cCcD396D5BB7c47B7950",
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}