{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbe959b2e9d8da1de9087feadcc97b523e4ab7cb7397aee87f224fb27e9777894",
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    "signer": "0x522f0E676f4b46A9f5E9f60Bb11212996Ae5bdBD",
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}