{
  "manageEntity": {
    "action": "Update",
    "entityId": "690093689",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa9dd33d4be17022a4d086c7d533fe6e1cc73fe8200e62efe4c04ca0d597fb912",
    "signature": "0xdb650a45034da71ead19da2147c1fee20fbc24586be05b1e93489e52612b349175cadee6774c9a603ac78403a5d294e9e4c7c4c5e70e45b8f1cd65adb945caaf1c",
    "signer": "0xbb3b8C270080b0DAE42411345FCDc6a00369e247",
    "userId": "690093689"
  }
}