{
  "manageEntity": {
    "action": "Update",
    "entityId": "264735382",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6166bd7ca00cdd4d3065d19feb29a1afc16970e72b0b908858126709221c38df",
    "signature": "0x01239fd9cf651afec25e4d9d1dfec13fee3f6354c0563a7c7073acdf300bc5e36ace749eff479b52f2bccadf7c1c52d877a656b9940dc5f4c4214a11c99d08581b",
    "signer": "0xa28e001D31E2ccC4f8FE32aa84089fbeD3D28eBc",
    "userId": "264735382"
  }
}