{
  "manageEntity": {
    "action": "Update",
    "entityId": "598977284",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x34f09ea3472332d6293c8be7abbf4325ba69009c208651a4ee256c031b5fe550",
    "signature": "0xc689fbe1787599aa7e175cb57f62331ef40ea76c718c05d3363f8871e464a48077f24c3537b18a32082cdceff823b0b5a38e331aaf765bb03078ac999df7cb911c",
    "signer": "0x7276aC2A2567A39A2393ADC16cA2Ce34039FfD3c",
    "userId": "598977284"
  }
}