{
  "manageEntity": {
    "action": "Update",
    "entityId": "55079885",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x66b6fc14b1cc44de68ba6519ccf8fdc26207098fe72a19a275b05f7756378bc8",
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    "signer": "0xB01CAD1410aaC54c587fC04df58F9fe8195BA5f7",
    "userId": "55079885"
  }
}