{
  "manageEntity": {
    "action": "Update",
    "entityId": "681461791",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfeb37701bd7eccbe6e38597b51087a8d9da0d0b8524045c6b47c19d97f067d0c",
    "signature": "0x80c1df567da521ed97c2e47d4fbd30e7cb8db626c7c1ad0ab6e5ff78ba59bbf934a862d6094d26993033d0c629a1f84d6ed796681236117676a5a76eaa2fced21b",
    "signer": "0xFf3201A7dd0F709163B34F121Ca470026514a73B",
    "userId": "681461791"
  }
}