{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x04a7d46a0321a8df1df6821b9ba974398b07b2b5915341bc3a7c797dfeae52f1",
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    "signer": "0x38cF97b3A9745395585c8009dDDcA20A86b08036",
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}