{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8f957f728d00358d229cb6b8f40175b87da124cde231291cdd631d5ab4eb976b",
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    "signer": "0x7f6F31d4752326aA349B0238f5e4857eC99FeD55",
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}