{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x35720eca42fc5d98f882226a28844a3d8dbec7b94cec32c15576aa605bba3972",
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    "signer": "0x2e67ccbD93b7Cd016727ddd2Ea4aE95067af1165",
    "userId": "16007"
  }
}