{
  "manageEntity": {
    "action": "Update",
    "entityId": "361199886",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieralewhelj4nymjz6jf537ve3z4lzpoux6pcbs5467ubtrt6vmmgkka\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":688689149}]}}}",
    "nonce": "0x19e2d16573b8b85b6051254b460d2045424045c8ff030d73e184baf3b476aad0",
    "signature": "0x243f274cefbd866a792895ebc11c8dc040fb6fd4696dbd165503b522759c0de62ec3b5d12cabd4b5f88eb6da86f7495918ed0767db1db4be87827dd6cfdd7b301b",
    "signer": "0x29995184e6260Ff68195C15c01f2564f6A124F0a",
    "userId": "361199886"
  }
}