{
  "manageEntity": {
    "action": "Save",
    "entityId": "708965917",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x837a581748bf7b1dd8054023a3e45d7824dc620f2cdd1dfe9c964557a3383fe6",
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    "signer": "0x3D472a01Cb831ac594835ac6038A4346E2A22B94",
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  }
}