{
  "manageEntity": {
    "action": "Save",
    "entityId": "2117876506",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1cef44913fd591b21838dce0ebccab681997c3d580b0ec3aeebdba749f91fdb1",
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    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
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}