{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3434adda62c221d05deb938996b5be1298c1ade68b95514f7dc5294386401b12",
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    "signer": "0xb9B7f2604D3c2a6F73Aeac6Ab8F469905C8A6394",
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}