{
  "manageEntity": {
    "action": "Update",
    "entityId": "430995435",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x71d0234d03387abdfe93008ba2136d3f04c142c547c01a0c0833759bbdcac004",
    "signature": "0x9ff66913a7e01f09b579ccdc3f57af632622399383eadc575c57f42b39f356cd3a6247073b55887d53b4575641346512e2088d0bb79569d537ac3bf0a503307b1c",
    "signer": "0x9e0ccd36c0cFE9BF939A6192442173A4d60225d3",
    "userId": "430995435"
  }
}