{
  "manageEntity": {
    "action": "Update",
    "entityId": "306008852",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdea22f5722cf7be6766b0b13866c5af31beedcba5603f0ab66d1c6e4a4af28c5",
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    "signer": "0xE5095013A3fC4cF11919998DBcCFC0Ae84D32963",
    "userId": "306008852"
  }
}