{
  "manageEntity": {
    "action": "Update",
    "entityId": "321158566",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc75a4ff5e9701c99d4d715880d6f7e6c9ee82721e4ad2725c105e568a003282f",
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    "signer": "0xC14d01Ad1443F7623B61668BA3E768ea7Ff0666F",
    "userId": "321158566"
  }
}