{
  "manageEntity": {
    "action": "Save",
    "entityId": "3140828",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4e34fb15351c620af6e753c6065bebea5ad6f4bb6228b9337facc8bd101745ab",
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    "signer": "0x737982B13d8AE9d37fDeA68E2E2E24fB41ae0eF0",
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}