{
  "manageEntity": {
    "action": "Save",
    "entityId": "868731473",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfd5039502cf06bfe118fe4582c27a38f101579e880e69a214d9ddb22dc5ac70a",
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    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
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}