{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb2ad3093a67ff9dc9df1cbbf723d2b13bbce7146e074b0cfe2f9bd9fe619405a",
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    "signer": "0x0fbE9bd9ffB9732d253D75f0eC57dD610A639013",
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}