{
  "manageEntity": {
    "action": "Update",
    "entityId": "29417884",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcacc81c86955d94c239051e4631d3726672e64d0d3e8fd358c36a40ec486d830",
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    "signer": "0xCf2eacf459f751e649a2cCcD396D5BB7c47B7950",
    "userId": "29417884"
  }
}