{
  "manageEntity": {
    "action": "Update",
    "entityId": "48464585",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x03279c0a88ab8a16434e65638f2e1d26f6e26484e9acc62240de3a46fdb718df",
    "signature": "0x1c34bf171225b35a759a8d97b3864be26a595231557122003a16e034228cd8680dd7e9563dfe064904f19fbfc44b4879e6c44c8f527e9fecee8239ba6c64fc1a1b",
    "signer": "0xa557Adde8983647D526D2B3301308bBbCf277d07",
    "userId": "48464585"
  }
}