{
  "manageEntity": {
    "action": "Update",
    "entityId": "467398673",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xce88604d4fbac706460477017f9fe995d04f3ca2db5451c99a14cc4e235f4d1c",
    "signature": "0xa7bcb091ae15f9dca3f7ad994671ae9f3b6d7c5f78657f261d04f3e8656a581105b362c71ddf259f29053c6932d2d93d7e1ff47cefbac1c9dac2645205723abe1b",
    "signer": "0x46CfB51Fda6B1829B8aF13F7d99133767B3F3b17",
    "userId": "467398673"
  }
}