{
  "manageEntity": {
    "action": "Update",
    "entityId": "364575756",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb538a27a023342c4dc3cc634b716f1cb82b4c6daaafcb86f07af24d9d33d62da",
    "signature": "0x8649b15a590b3070cedd433ffb531dcc6480d31543c1f31674024ed79f13159d77aaaa76e81be8b1421473d11ff5b295284cded6c0cb91e0132124ec14354fed1c",
    "signer": "0xDe33C1C09bC9E9A8AF10bd9d91286bB2C590E753",
    "userId": "364575756"
  }
}