{
  "manageEntity": {
    "action": "Update",
    "entityId": "49347081",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraaq5tkpso2xgor7243yseg2bfv7vuuttbp2znedry5inahjynk27q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1679614508}]}}}",
    "nonce": "0xb0d4a3bb8676789cb26e488429f8419c7c91da92bc69c9d35054e016fa1715e5",
    "signature": "0x71da1beb9406810c1e95c82d45030f38db93fcbb0d05f632b31cb0eba1ea38652191a06b761cf9d52cb4ea828e1d6838ed3a412c76eb366dc358d00068281a7b1b",
    "signer": "0x34D683B68C584b8C506bC9b9BB6759B0D61E2654",
    "userId": "49347081"
  }
}