{
  "manageEntity": {
    "action": "Update",
    "entityId": "206524150",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb8e4fa2311576e7f02278b6e77680ed8d0268c34ba1e2ef5cb91fad984d0fff0",
    "signature": "0xb8631f7daf9877e9d93928c9451e9c3c4395fdc7fbc431426071d1f0a589bdba5ad10b28918af27a7b2c92088a71b4f3fe3c4a296b908bce9698101140f2bdbc1c",
    "signer": "0x6c1C8d036b3c0119e31Edb58B17D120E6e91C833",
    "userId": "206524150"
  }
}