{
  "manageEntity": {
    "action": "Update",
    "entityId": "475904773",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x050bf47ba205f1b91649bf0909988d5a7528c4f698f1fee17c93c88023690daa",
    "signature": "0x2eb5966bef43b2cc5cb99df7ca540396a14e7f29d29890c0b9dd070031dd3c62284eb697fe1b72f9be3ec65b1f452cfd2715f7f7e080be82b47c9689e6587e9b1c",
    "signer": "0x746989E3CC25A24543Ea3E5F339cd77016F44D5c",
    "userId": "475904773"
  }
}