{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8720189a7f6136c8f7142c3455c2a6ca3cb5890b10a62aeb0e060b2d1f9c766a",
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    "signer": "0x82aB65F7E38B6aE4C5E02ef2F454b5C2F69Decf0",
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}