{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2ee61deb90fcd1111640e4a14327f00557bb48a30c2f0bf1ef6e06cec9426c9a",
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    "signer": "0xdEa594D771deE2b29bcC3eE52Edc8610d11571D6",
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}