{
  "manageEntity": {
    "action": "Update",
    "entityId": "776158029",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x41f613ba3a1eacada54ab68af884e72f64eedcdefcfae07e4cf7e4ee5c3e1375",
    "signature": "0x7c5894b7e39232411ae139c4c8159dc0644673e7eb201fcb000fe61af499c9ac0f51969269cfc8eec3b7202286ca44c7459b7aaf1e0e0269cb024ff683894d651b",
    "signer": "0xAb218b04b3523B79F517525deD1511917DbC4a18",
    "userId": "776158029"
  }
}