{
  "manageEntity": {
    "action": "Update",
    "entityId": "129329734",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierah4w3mgpnsyfecwbexhl4eh5yepufjmua5lufpcbeciujsmk6z36q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1746416672},{\"type\":\"playlist\",\"playlist_id\":944055566}]}}}",
    "nonce": "0xc8fd93d114637801138bc64e51a5eb70208c684862be0d36398982b07097d49c",
    "signature": "0x40d32ba7952b0a7504dd11ffcacbc745b3f759145782c1698497b972f9d6d2ca4c1617f69481a55a7abcb3c1bf58cf75d0e3eb94d0a9f458f7bb6be24cf1514a1b",
    "signer": "0x88602394b9baf0757a2CbE35FC3fBdb9E75b6DEb",
    "userId": "129329734"
  }
}