{
  "manageEntity": {
    "action": "Update",
    "entityId": "176094510",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0e93be4c1d15918fc7194f9e0d5af549b33c14712ec58a6a81f362ebbd1aa940",
    "signature": "0xe4019781577ed3b0d6d24536c5b3c3fe866b6d0228ae396892581e31d60414fd0d9b54934734b661d43dc45629d22d02b03aebe720b72da04a5887784ce279c81c",
    "signer": "0xCDb8F390F2d5D6a1687a289dFDE48b06f3403872",
    "userId": "176094510"
  }
}