{
  "manageEntity": {
    "action": "Update",
    "entityId": "994921318",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x032d6a3e461814ff8a034b2e95c0ee420ed13e6a3c082795729af022d7e1201c",
    "signature": "0xf6048efb5e5b8f78bb3029ae439c48299186e21b68ea86530b4a26712724075a1787193c758c10549764628a5e8bc4ba15be8a6336d4beae8fe7f019893b8d121c",
    "signer": "0xfe35D684b147C8245614c924bc9fb68A6B5E4116",
    "userId": "994921318"
  }
}