{
  "manageEntity": {
    "action": "Update",
    "entityId": "268475197",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbc585549420a835bbf23dd552453ee8d0add3afe7af0ed0a3f7c975f607bcf1d",
    "signature": "0xade614b7f1c79f202d05cede072cd45d1357a7206dba76dc23cef618dac70c7215949a5626eb44850ec0ad0c63d33a1ec3234a064eb8de0775e12f2525009d2f1b",
    "signer": "0x634e310f6a44FD08bDfE077Ed82A86a2cEA736C1",
    "userId": "268475197"
  }
}