{
  "manageEntity": {
    "action": "Save",
    "entityId": "482435150",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc1b0a4f5918b6103e3018ce7ac7ba26c3b8eb1a2f8926cbe38ee5b41f10391bd",
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    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
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}