{
  "manageEntity": {
    "action": "Update",
    "entityId": "598622069",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x95d9bb015b305f536b9037e9cda21ade199cc6df514781f2b5535df370e7131c",
    "signature": "0xd6d2d950131be12fcd7bdf11be7a74de2031754f211428117ccc3c940fec40a402308d75b4e4294ec72d39090aba66a9882d6f41ee97bb701b7f1ce86282c4fe1c",
    "signer": "0x960d5922edd91F164Aa365ed5EcBB02F1F3BE0E8",
    "userId": "598622069"
  }
}