{
  "manageEntity": {
    "action": "Update",
    "entityId": "46223086",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x16768d3fb62c56a19f206b9a600db0b8c00100b4e5d353dd640bf78863cba419",
    "signature": "0x208f61061cfae8e0c8ca8ab66be2b26f7d4416f8989aafd8b5ae337c677476245e0562ad65ad0b02000663a1a2dc515b81a823769e0694ba86351ad5dfd656cc1b",
    "signer": "0x115e86b7f3ea0ab03Ed3Cf7D3785D49044a7B37E",
    "userId": "46223086"
  }
}