{
  "manageEntity": {
    "action": "Update",
    "entityId": "696399278",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x49dbbd64d505e48bdaddbab13fd0a11cc4fa0afcf7589ceebf6d202a01a9bcf3",
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    "signer": "0x2790b301ef46dCE780FBaB746d46c8c845E7E22a",
    "userId": "696399278"
  }
}