{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8d9b6f1fe9018137148978bbc2d7ce54e2a22310f3b7e46a217701e45ebc3e3d",
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    "signer": "0x0608360a1Ff153613e46EeFED1284f9dC5CC5D0A",
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}