{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7283dac844f0be22f58726b8f4e69f1cfbfb0f03eb3002119e659dd221ca2ab2",
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    "signer": "0x3fc06C833F88Cd7683640BBE8af0B582b3D09140",
    "userId": "630562672"
  }
}