{
  "manageEntity": {
    "action": "Update",
    "entityId": "80021193",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x506b2e4cf7d37a07550fabdba2af52c67c921c1b128656495e1f3d2ed0999508",
    "signature": "0xf0cf3926e765f57a467a6f346cd731941d3bf7670b226d698a4b8e1f4a86f7c820496d13576173a475939259bbff0d461c2c12cab980371cee285a4ab26f415a1c",
    "signer": "0x1A1e870176Bc1918E3015CdE0B874e2E25d9FD22",
    "userId": "80021193"
  }
}