{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2c5394a0e060da06f7a249bbc2beb7d8ee2acb1d5ad494d39dcf2e903173a3e7",
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}