{
  "manageEntity": {
    "action": "Save",
    "entityId": "297253083",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd428aed2fb218455beb11b6135a749206b51c9b4d0b0410cb381fdda6dad2af5",
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    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}