{
  "manageEntity": {
    "action": "Update",
    "entityId": "297841591",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x45e5352f1e03b9280176886f2c2b97c1a0a7168147b1c0188c7665c1a5d2feaf",
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    "signer": "0xC7522B754f9e8637182A11D7639A9C6B62756049",
    "userId": "297841591"
  }
}