{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf344521dcd00b8d1b68f7b01879b4553633e98e149e07aae3327d9eec1e76749",
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    "signer": "0x3af7aa9c1C6b35d5E91908ef2A277cd7a3d862f7",
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}