{
  "manageEntity": {
    "action": "Update",
    "entityId": "8127565",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2dc6c670420b57259e78abb1b6cc86eebacbb618af8bf445521e338438877c19",
    "signature": "0xee54d68a014b8c78df5247bb06024345466f07bfdf8fd52cf3faaf01d9428176284558aebe8617f9dabfbd66a83a7c6682cd4d83fcdd99715adbe9a22dac918b1b",
    "signer": "0xd9011A4c8b6b483C738Dc550649bA234f5834Cf8",
    "userId": "8127565"
  }
}