{
  "manageEntity": {
    "action": "Update",
    "entityId": "946701878",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
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    "signature": "0xf42a45b04d8d986c4bd2b84fa11ec8f1ead519a7b536baf8bc7c2d4a9a4ade291914d997cb61b19405955d3c623c9cc89dd26d7af1edb456d9a1415445e0265f1c",
    "signer": "0xBb4808d1F012836c9B892286a313C6c6eD6E10e5",
    "userId": "946701878"
  }
}