{
  "manageEntity": {
    "action": "Update",
    "entityId": "831132719",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera6mkdmtfja6r2tyqpop34xnahn7zrdlpvqulhbr2tpxdkwhmkfena\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":452722421}]}}}",
    "nonce": "0x4647100dc3a2bd0356b49a764e7280b7d7c5c95e3816d41fba65590e6289d010",
    "signature": "0xd0b20f6430c6dfb87c1ca3c54a6c2685d2f10dd116bbc617b182d6f908378b727b8c7c1adc9393236abd60601a03098262eb24162fc0107a87f04d6a522504e31b",
    "signer": "0x95ef0AaA25746fbF3501fB4BdF4051dcd51e6369",
    "userId": "831132719"
  }
}