{
  "manageEntity": {
    "action": "Update",
    "entityId": "614957051",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1d4c5a0c694054d7c75c44464d6664334ca360a65e00e9561bbd18c3e1136d34",
    "signature": "0x935a822b2bf405a6b5db6b1159b208eca61d4d2562ef7710b34f2180314f282a41ce6de4c7b2647f78b770765a834bf8df757d6acd4d1e5bdc11e5dfc0af21a81b",
    "signer": "0x4D8416579666049F9954c3E6d00b915098864132",
    "userId": "614957051"
  }
}